6 Bots That Deliver Science and Serendipity on Twitter In Disposable Mucus Houses, These Zooplankton Filter the Oceans The ‘Sounds’ of Space as NASA’s Cassini Dives by Saturn After Setbacks and Suits, Miami to Open Science Museum Why Two Volcanoes in Hawaii Are So Close, but So Different The New Threat to Wolves in and Around Yellowstone Hunting Mushrooms, and What Makes Some Glow in the Dark No Bones About It: Scientists Recover Ancient DNA From Cave Dirt Humans Lived in North America 130,000 Years Ago, Study Claims If Mars Is Colonized, We May Not Need to Ship In the Bricks Some Surprising Dog Breeds Have Ancient American Heritage What Moves Gravel-Size Gypsum Crystals Around the Desert? Broke a Glass? Someday You Might 3-D-Print a New One This Is a Giant Shipworm. You May Wish It Had Stayed In Its Tube. Jimmy Kimmel Sheds Light on Health Coverage for Infants With Birth Defects Filtering the Ocean As Arctic Ice Vanishes, New Shipping Routes Open Want to Make More Baskets? Science Has the Answer Debate Over Paris Climate Deal Could Turn on a Single Phrase Black Americans Are Living Longer, C.D.C. Reports Brazil Yellow Fever Outbreak Spawns Alert: Stop Killing the Monkeys Molina, Key Provider Under Obamacare, Ousts C.E.O., a Trump Critic How Marching for Science Risks Politicizing It Zika Twins: A Window Into Much More Than a Virus Empirical Evidence: Cats Love People For Families of Teens at Suicide Risk, ‘13 Reasons’ Raises Concerns One Day, a Machine Will Smell Whether You’re Sick Clues to Zika Damage Might Lie in Cases of Twins Come On In. The Water’s Fine (Mostly). Hitting a Medical Wall, and Turning to Unproven Treatments Climate March Draws Thousands of Protesters Alarmed by Trump’s Environmental Agenda The Making of a Legacy: First Steps in the Trump Era Most New York City Schools Had High Lead Levels, Retests Find Court Gives Trump Small Victory in Push Against Clean Power Plan Court Gives Trump Small Victory in Push Against Clean Power Plan Dr. Joseph Lifschutz, 92, Dies; Asserted Confidentiality Right for Therapists Gary Steigman, Who Teased Out the Universe’s Dark Secrets, Dies at 76 Cassini’s Images From Inside Saturn’s Rings Touch New Stamp and Presto, Total Solar Eclipse Becomes Moon Ancient Horse DNA Shows Scythian Warriors Were Adept Domesticators Mass Die-Off of Whales in Atlantic Is Being Investigated A Very Hungry Caterpillar Eats Plastic Bags, Researchers Say Sowing Climate Doubt Among Schoolteachers Leonard Reiffel, Who Studied Lunar Nuclear Bomb, Dies at 89 Anthem Threatens to Leave Health Exchanges if Subsidies Are Halted Renée Fleming and Joshua Bell to Unite for Science What Is the Antiquities Act and Why Does President Trump Want to Change It? As Rising Seas Erode Shorelines, Tasmania Shows What Can Be Lost Some Surprising Dog Breeds Have Ancient American Heritage That Ghostly, Glowing Light Above Canada? It’s Just Steve What Trump’s Budget Means for the Filet-O-Fish Watching Their Dust: Photographing Players in Pollination As Rains Ease in the West, Cactuses Shine Brighter Than Ever Video Games Help Model Brain’s Neurons Peggy Whitson Breaks Another Record in Space People Are Seeing U.F.O.s Everywhere, and This Book Proves It A Dry Side Effect Trump Calls @AstroPeggy at the International Space Station Spend a Dollar on Drug Treatment, and Save More on Crime Reduction No Longer a Dream: Silicon Valley Takes On the Flying Car Kuki Gallmann, ‘I Dreamed of Africa’ Author, Is Shot in Kenya DNA Tests, and Sometimes Surprising Results Pictures From the March for Science Scientists, Feeling Under Siege, March Against Trump Policies Meet Three Scientists Ready to March Cassini’s Grand Finale: A Dive Between Saturn and Its Rings Cassini Moves Inside Saturn’s Rings What Moves Gravel-Size Gypsum Crystals Around the Desert? The Planet Can’t Stand This Presidency A Lesson From the Henrietta Lacks Story: Science Needs Your Cells Robert Sadoff, Psychiatrist Who Assessed Murder Defendants, Dies at 81 No Oxygen? The Naked Mole Rat Might Not Care Big Birder: Noah Strycker on Where to Spot Rare Species Why the Menace of Mosquitoes Will Only Get Worse Asteroid Misses Earth Narrowly, by Cosmic Standards Trillions of Plastic Bits, Swept Up by Current, Are Littering Arctic Waters Why Are Some Mice (and People) Monogamous? A Study Points to Genes A New Exoplanet May Be Most Promising Yet in Search for Life Broke a Glass? Someday You Might 3-D-Print a New One How a Warming Planet Drives Human Migration Health Insurers Make Case for Subsidies, but Get Little Assurance From Administration This Is a Giant Shipworm. You May Wish It Had Stayed In Its Tube. Dinner With a Dung Beetle When Rising Seas Transform Risk Into Certainty Is It O.K. to Tinker With the Environment to Fight Climate Change? The March for Science: Why Some Are Going, and Some Will Sit Out Scientists and Activists Look Beyond the March for Science Ranks of Scientists Aging Faster Than Other Workers A California Court for Young Adults Calls on Science ‘Genius’ Unravels the Mysteries of Einstein’s Universe Avian Housing Wars: Competition for Nesting Spots In a Dragon’s Blood, Scientists Discover a Potential Antibiotic Climate Change Reroutes a Yukon River in a Geological Instant St. Jude Medical Played Down Defibrillator Failures for Years, F.D.A. Says It’s Like It Never Left: Another El Niño May Be on the Way Silver Fish Surf the Waves to Spawn on California Beaches Plumes From Saturn’s Moon Enceladus Hint That It Could Support Life New Tools Needed to Track Technology’s Impact on Jobs, Panel Says Do Your Shoelaces Keep Coming Undone? Engineers Explain Why 6 Things I Learned About Ulcers What Bill Nye Can’t Travel Without A Dinosaur Cousin’s Crocodile Ankles Surprise Paleontologists Riddle of Why Hitler Didn’t Use Sarin Gas Remains Unsolved Valiant in Battle, These Ants Rescue Their Wounded Scott Pruitt Faces Anger From Right Over E.P.A. Finding He Won’t Fight A Lizard With Scales That Behave Like a Computer Simulation Saber-Toothed Cats Paid a Stiff Price for Lunch Another Reprieve for Expert Testimony That Is Anything But How Ants Figured Out Farming Millions of Years Before Humans An Ice Scientist’s Worst Nightmare More Permafrost Than Thought May Be Lost as Planet Warms Sessions Is Wrong to Take Science Out of Forensic Science Gut Hack In Ancient Guano, a Record of Penguin Disaster In Chesapeake Bay Cleanup, a Larger Ecosystem at Stake Nature’s Ear Plugs Scientists Fear Climate Data Gap as Trump Aims at Satellites What’s at Stake in Trump’s Proposed E.P.A. Cuts Why Are So Many People Popping Vitamin D? Hans Dehmelt, Nobel Laureate for Isolating Electrons, Dies at 94 No ‘Death Spiral’: Insurers May Soon Profit From Obamacare Plans, Analysis Finds Photos of Jupiter From NASA Spacecraft, Both Near and Far Dogs Do Their Duty for Science F.D.A. Will Allow 23andMe to Sell Genetic Tests for Disease Risk to Consumers A Genetic Oddity May Give Octopuses and Squids Their Smarts Mud Erased a Village in Peru, a Sign of Larger Perils in South America The Mucus-Shooting Worm-Snail That Turned Up in the Florida Keys Ancient Cannibals Didn’t Eat Just for the Calories, Study Suggests Jeff Bezos Says He Is Selling $1 Billion a Year in Amazon Stock to Finance Race to Space South African Court Ends Ban on Sale of Rhinoceros Horns Antarctic Ice Reveals Earth’s Accelerating Plant Growth Coal Is on the Way Out at Electric Utilities, No Matter What Trump Says A Dolphin’s Recipe for Octopus Life on Mars: Get to Know the Crew Why You Shouldn’t Walk on Escalators One in 10 Pregnant Women With Zika in U.S. Have Babies With Birth Defects When Britain Split From Europe, in a Big Way To Curb Global Warming, Science Fiction May Become Fact What Financial Markets Can Teach Us About Managing Climate Risks Plan to Cut Funding for Biomedical Research Hits Opposition in Congress Bringing Owls Into the Light After Badger Buries Entire Cow Carcass, Scientists Go to the Tape Do Seas Make Us Sick? Surfers May Have the Answer What Happens to Spores in Space? What Makes a City Ant? Maybe Just 100 Years of Evolution Alexei Abrikosov, Nobel Laureate in Physics, Dies at 88 A Mysterious Flash From a Faraway Galaxy First Clear View of a One-Celled Harpooner in Action Moby Microbe Unmasking the Fearsome Face of a Tyrannosaur Under a Flashlight, a Eureka Moment About Frogs Puzzle in Poland: Who Bent the Trees? In Poland’s Crooked Forest, a Mystery With No Straight Answer SpaceX Makes a First With Second-Hand Rocket SpaceX Launches a Satellite With a Partly Used Rocket Little Tropical Fish With a Big, Venomous Bite Recycled Rockets Could Drop Costs, Speed Space Travel Meet Evatar: The Lab Model That Mimics the Female Reproductive System Trump Leaves Science Jobs Vacant, Troubling Critics Foreign Correspondents as They Live and Breathe E.P.A. Chief, Rejecting Agency’s Science, Chooses Not to Ban Insecticide Three Storm Chasers Die in Crash in Texas Trump Signs Executive Order Unwinding Obama Climate Policies Severe Eczema Drug Is Approved by F.D.A.; Price Tag Is $37,000 a Year Planned Rollback of Climate Rules Unlikely to Achieve All Trump’s Goals What to Know About Trump’s Order to Dismantle the Clean Power Plan In Health Bill’s Defeat, Medicaid Comes of Age They Mixed Science, Art and Costume Parties to Reveal Mysteries of the Sea A Dream of Clean Energy at a Very High Price Hope Springs Early, but Not Eternal, for the Deadnettle — or for Us Addiction Specialists Ponder a Potential Aid: Pot Recalling Early Childhood Memories, or Not A 7.4 Quake in Southern California? A Long Fault Could Make It Likelier Wonders of a Marine National Monument Wonders of the Deep The Trump Administration’s War on Science Who Killed the Iceman? Clues Emerge in a Very Cold Case Waking From Hibernation, the Hard Work of Spring Begins Visualizing the Cosmic Streams That Spew Meteor Showers Headed North, Sandhill Cranes Squeeze In Where They Can Bao Bao, an American-Born Panda, Steps Out in China Dr. Lewis Rowland, Leading Neurologist on Nerve and Muscle Diseases, Dies at 91 A Space Odyssey: Making Art Up There How Comet 67P’s Face Changed During Its Trip Around the Sun We Have Some Good News on the California Drought. Take a Look. New Vaccine Could Slow Disease That Kills 600 Children a Day As Rivals Stand Silent, One Health Insurer Protests G.O.P. Plan Arctic’s Winter Sea Ice Drops to Its Lowest Recorded Level Shaking Up the Dinosaur Family Tree A Scholarly Sting Operation Shines a Light on ‘Predatory’ Journals Why Trump’s N.I.H. Cuts Should Worry Us 9 Deaths Are Linked to Rare Cancer From Breast Implants Trump Lays Plans to Reverse Obama’s Climate Change Legacy A New Form of Stem-Cell Engineering Raises Ethical Questions How Americans Think About Climate Change, in Six Maps An End to Heart Disease? Not Quite Even Penguins Have Children Who Won’t Leave the Nest Popular Prostate Cancer Therapy Is Short, Intense and Unproven More Grandparents Than Ever The Death and Rebirth of the Duncan Grapefruit We Might Soon Resurrect Extinct Species. Is It Worth the Cost? Bluebonnet Season Came Early in Texas This Spring Animals in Extra Large U.S. Nuclear Weapons Tests Come to YouTube Watch U.S. Nuclear Tests Cholesterol-Slashing Drug Can Protect High-Risk Heart Patients, Study Finds Burrowing Under Luminous Ice to Retrieve Mussels Pushed Into the Future When Illness Strikes (in an Unlikely Place) With E.P.A. Cuts, States Would Lose Help in Emergencies Scientists Bristle at Trump Budget’s Cuts to Research Ancestral Climates May Have Shaped Your Nose Will You Attend the March for Science on Earth Day? A Search for Clues to What Causes Whale Strandings How a Water Bear Survives, Even When It’s Dry The Desert Is Blooming Patients Lose Sight After Stem Cells Are Injected Into Their Eyes Large Sections of Australia’s Great Reef Are Now Dead, Scientists Find Ron Drever, Physicist Who Helped Confirm Einstein Theory, Dies at 85 Swimming With a Brand New Leg It’s Possible to Hack a Phone With Sound Waves, Researchers Show A Start Date for the Bison Invasion of North America Igor Shafarevich, Russian Mathematician With a Mixed Political Legacy, Dies at 93 High Above, Drones Keep Watchful Eyes on Wildlife in Africa Poachers Beware: Drones Are Watching How to Kill Germs in the Laundry Are Teenagers Replacing Drugs With Smartphones? A Russian Lake’s Future Hangs on Tourists and Toilets Cardiovascular Deaths Linked to Poor Dietary Choices How Darwin Evolved: 25,540 Paper Fragments Tell the Story What Our Cells Teach Us About a ‘Natural’ Death George A. Olah, Carbon Compounds Pathfinder, Dies at 89 In Armenia, ‘What Do You Want to Be?’ Is Asked in Infancy Lloyd Conover, Inventor of Groundbreaking Antibiotic, Dies at 93 How to Get the Brain to Like Art Improving Medicine With Art How Healthy Are You? G.O.P. Bill Would Help Employers Find Out New Guideline Will Allow First-Year Doctors to Work 24-Hour Shifts From Flight 370 Hunt, New Insight Into Indian Ocean’s Unknown Depths The Rice-Size Fly That Hits the Bull’s-Eye Every Time A Lake Turned Pink in Australia. It’s Not the Only One. Flecks of Extraterrestrial Dust, All Over the Roof Pan, Moon of Saturn, Looks Like a Cosmic Ravioli (or Maybe a Walnut) Trump’s Climate Views: Combative, Conflicting and Confusing Tanning Industry, Taxed Under Obama, Cheers G.O.P. Health Bill First Underwater Video of Elusive True’s Beaked Whales After a Stillbirth, Tests Can Help Pinpoint the Cause Radioactive Boars in Fukushima Thwart Residents’ Plans to Return Home A Roman Sarcophagus Is Rescued from Humble Duty as a Flower Pot E.P.A. Chief Doubts Consensus View of Climate Change Spring Came Early. Scientists Say Climate Change Is a Culprit. How Did Aboriginal Australians Arrive on the Continent? DNA Helps Solve a Mystery Our Universe’s Very Dusty Early, Early Beginnings A Family Adventure in Medical Tourism Years of Ethics Charges, but Star Cancer Researcher Gets a Pass Five Ways to be a Savvy Medical Tourist and Enjoy a Vacation Blue Origin, Jeff Bezos’s Moon Shot, Gets First Paying Customer E.P.A. Head Stacks Agency With Climate Change Skeptics In the Caves of Ancient Humans, Stories Told Dot by Dot Activists Rush to Save Government Science Data — If They Can Find It Volkswagen’s Emissions Fraud May Affect Mortality Rate in Europe Figuring Out When and Why Squids Lost Their Shells Why We Can’t Look Away From Our Screens On Galápagos, Revealing the Blue-Footed Booby’s True Colors Dr. Thomas E. Starzl, Pioneering Liver Surgeon, Dies at 90 트럼프가 물려받은 유산: 북한 미사일에 대응하는 비밀 사이버전(戰) Trump Inherits a Secret Cyberwar Against North Korean Missiles Trump to Undo Vehicle Rules That Curb Global Warming How the Amazon’s Cashews and Cacao Point to Cultivation by the Ancients Spring Amphibians, on the Move, Could Use Some Crossing Guards Arkansas Rushes to Execute 8 Men in the Space of 10 Days The Secret to a Really Crisp Apple First Seen 30 Years Ago, a Supernova Refuses to Be Ignored The Woolly Mammoth’s Last Stand Birth Defects Rise Twentyfold in Mothers With Zika, C.D.C. Says China’s Bird Flu Surge Is a Low Epidemic Threat, W.H.O. Says Scientists Say Canadian Bacteria Fossils May Be Earth’s Oldest Mount Etna, Europe’s Most Active Volcano, Puts On a Show Edward E. David Jr., Who Elevated Science Under Nixon, Dies at 92 Remembering a City Where the Smog Could Kill After Scare, Air Hoses at C.D.C. Germ Lab Are Found to Be Safe Stressed by Success, a Top Restaurant Turns to Therapy Influential Health Fund Reboots Its Search for a Leader In California, a Move to Ease the Pressures on Aging Dams A Facebook-Style Shift in How Science Is Shared SpaceX Plans to Send 2 Tourists Around Moon in 2018 Before Vaquitas Vanish, a Desperate Bid to Save Them For Some Arctic Plants, Spring Arrives Almost a Month Earlier Life Span of South Korean Women Is Headed Toward 90 Pregnancy Upon Pregnancy ‘Ring of Fire’ Eclipse Travels Across South America and Africa Coal Industry Casts Itself as a Clean Energy Player Life on Mars: Preparing for the Red Planet ‘Ring of Fire’ Solar Eclipse Will Cross Southern Hemisphere on Sunday Amazon Deforestation, Once Tamed, Comes Roaring Back In an Ancient Burial Place, 3 Centuries of One Woman’s Descendants So, Um, How Do You, Like, Stop Using Filler Words? Twinkle, Twinkle Little Trappist Harold R. Denton, Voice of Comfort at Three Mile Island, Dies at 80 Mildred Dresselhaus, the Queen of Carbon, Dies at 86 Bumblebees Demonstrate the Power of Insect Brains Small Brain, Big Smarts How Far to the Next Forest? A New Way to Measure Deforestation Lake Berryessa’s Spiraling Floodwater Mesmerizes the Locals 7 New Planets Could Host Alien Life 7 Earth-Size Planets Orbit Dwarf Star, NASA and European Astronomers Say Bao Bao the Panda Leaves the Beltway Behind to Breed in China Zimbabwe’s Rulers Use a Monument’s Walls to Build a Legacy A Sunken Treasure Will Appear in New York Despite Its Controversial Excavation When Mismatched Voices and Lips Make Your Brain Play Tricks How an Interoffice Spat Erupted Into a Climate-Change Furor Cosmos Controversy: The Universe Is Expanding, but How Fast? A Balm When You’re Expecting: Sometimes Pot Does the Trick In Response to Trump, a Dutch Minister Launches ‘She Decides’ Getting the Most From Vitamins and Mineral Supplements SpaceX Launches Rocket to International Space Station SpaceX Launches Rocket Carrying Space Station Cargo SpaceX Scrubs Rocket Launch The Murky Future of Nuclear Power in the United States How the North Korean Nuclear Threat Has Grown Work Stops at C.D.C.’s Top Deadly Germ Lab Over Air Hose Safety Prey: The Reason Turtles First Came Out of Their Shells Hunched Over a Microscope, He Sketched the Secrets of How the Brain Works Beyond ‘Hidden Figures’: Nurturing New Black and Latino Math Whizzes Mexico City, Parched and Sinking, Faces a Water Crisis Are You Ready for Math Whiz Camp? E.P.A. Workers Try to Block Pruitt in Show of Defiance By Investing in Science, Trump Can Strengthen the Economy After Earth’s Worst Mass Extinction, Life Rebounded Rapidly, Fossils Suggest Disappearing Seagrass Protects Against Pathogens, Even Climate Change, Scientists Find Harvard and M.I.T. Scientists Win Gene-Editing Patent Fight NASA Looks to Speed Timetable for Putting Astronauts in Deep Space Winston Churchill Wrote of Alien Life in a Lost Essay India Launches 104 Satellites From a Single Rocket, Ramping Up a Space Race Intel Drops Its Sponsorship of Science Fairs, Prompting an Identity Crisis Dubai Plans a Taxi That Skips the Driver, and the Roads Ancient Jars Hold Clues About Earth’s Fluctuating Magnetic Fields How to Keep the Bloom on That Valentine Rose Human Gene Editing Receives Science Panel’s Support Is the ‘Anthropocene’ Epoch a Condemnation of Human Interference — or a Call for More? When Canadian Scientists Were Muzzled by Their Government Grisly Cleanup Follows Deaths of 400 Whales in New Zealand Lower Back Ache? Be Active and Wait It Out, New Guidelines Say A Race to Document Rare Plants Before These Cliffs Are Ground to Dust Sharp Rise Reported in Older Americans’ Use of Multiple Psychotropic Drugs How a Little Bit of Hydra Regrows a Whole Animal Growth Secrets of the Hydra Peter Mansfield, M.R.I. Pioneer and Nobel Laureate, Dies at 83 Conflicting Views on a Wider Police Use of DNA Long Before Making Enigmatic Earthworks, People Reshaped Brazil’s Rain Forest Microbes, a Love Story Karen Pence Picks a Cause, and Art Therapists Feel Angst How New York City Gets Its Electricity Hundreds of Pilot Whales Die After Beaching in New Zealand Lunar Eclipse and Green Comet Make for Busy Friday Night in the Sky In an Age of Alternative Facts, Bill Nye’s New Show Brings Real Ones Wind Power Surpasses Hydroelectric in a Crucial Measure What Makes a Woman a Good Dancer? Watch the Hips, a Study Says Weak Reporting System Let Risky Surgical Device Stay in Use Lava Fire Hose in Hawaii Returns for an Encore How Do You Save Snow Leopards? First, Gather Their Droppings In a Rare Zoo Escape, Sunny the Red Panda Is Still at Large Saiga Antelopes Are Struck Again by a Plague in Central Asia Downside of Being a Global Hub: Invasive Species ‘A Conservative Climate Solution’: Republican Group Calls for Carbon Tax Plain Old Vaping Gives Way to ‘Dripping’ Among Teenagers, Study Says Newly Discovered Gecko Escapes Danger Naked and Alive No Data Manipulation in 2015 Climate Study, Researchers Say Meteor Puts on a Light Show Over Midwest, and for the Cameras Debate Flares Over China’s Inclusion at Vatican Organ Trafficking Meeting Small Cheese Makers Invest in a Stinky Science Turning the Tide Against Cholera Picking the Right Over-the-Counter Pain Reliever Trump’s Travel Ban, Aimed at Terrorists, Has Blocked Doctors A Diver Discovers a Candy-Colored Crab Jimmy Kimmel Sheds Light on Health Coverage for Infants With Birth Defects Filtering the Ocean As Arctic Ice Vanishes, New Shipping Routes Open Want to Make More Baskets? Science Has the Answer Debate Over Paris Climate Deal Could Turn on a Single Phrase Black Americans Are Living Longer, C.D.C. Reports Brazil Yellow Fever Outbreak Spawns Alert: Stop Killing the Monkeys Molina, Key Provider Under Obamacare, Ousts C.E.O., a Trump Critic How Marching for Science Risks Politicizing It Zika Twins: A Window Into Much More Than a Virus Empirical Evidence: Cats Love People For Families of Teens at Suicide Risk, ‘13 Reasons’ Raises Concerns One Day, a Machine Will Smell Whether You’re Sick Clues to Zika Damage Might Lie in Cases of Twins Come On In. The Water’s Fine (Mostly). Hitting a Medical Wall, and Turning to Unproven Treatments Climate March Draws Thousands of Protesters Alarmed by Trump’s Environmental Agenda The Making of a Legacy: First Steps in the Trump Era Most New York City Schools Had High Lead Levels, Retests Find Court Gives Trump Small Victory in Push Against Clean Power Plan