Investigate

Science Will Suffer Under Trump’s Travel Ban, Researchers Say

In Many Species, a Family Dinner Means Something Else

Maggot Mystery

Maggot to Blowfly: Ready for Its Close-Up

This Prehistoric Human Ancestor Was All Mouth

Ice That Sparkles Like Diamonds Washes Onto Japanese Shores

How Squirrels Build Their Nests

Gazing Into Danakil Depression’s Mirror, and Seeing Mars Stare Back

Arthur Rosenfeld, Zealous Champion of Energy Efficiency, Dies at 90

A Genetic Fix to Put the Taste Back in Tomatoes

A Birder’s Heaven: Just Follow the Stench to the Landfill

Hydrogen Squeezed Into a Metal, Possibly Solid, Harvard Physicists Say

Advances Made Toward Growing Organs in ‘Chimera’ Animals

Doomsday Clock Moves Closer to Midnight, Signaling Concern Among Scientists

6 Million Years Ago, Otters the Size of Wolves Roamed China’s Wetlands

Better Weather Forecasts, and These Pretty Pictures, Too

Just a Bit Off-Center

North America’s Geographical Center May Be in a North Dakota Town Called Center

For 5 Contest Finalists, a $20 Million Dash to the Moon

Gene-Modified Ants Shed Light on How Societies Are Organized

A Pioneering Woman of Science Re-Emerges After 300 Years

Ancient Bits of Rock Help Solve an Asteroid Mystery

A Scientific Lens on Copper

Tasmanian Tigers’ Brains Yield Clues Long After Extinction

What Did Neanderthals Leave to Modern Humans? Some Surprises

How Some Frolicking Fish Got Stuck in a Moment

Fishing for Clues to Solve Namibia’s Fairy Circle Mystery

How Zoo Animals Learn to Help Take Care of Themselves

Almost Two-Thirds of Primate Species Near Extinction, Scientists Find

How 2016 Became Earth’s Hottest Year on Record

Earth Sets a Temperature Record for the Third Straight Year

What Readers Would Ask Scott Pruitt, Trump’s E.P.A. Nominee

Eight Crossings and 192 Atoms Long: the Tightest Knot Ever Tied

Archaeologists and Metal Detectorists Find Common Ground

The Stem-Cell Revolution Is Coming — Slowly

Venus Smiled, With a Mysterious Wave Across Its Atmosphere

Born to Be an Ear Wiggler?

Absolutely Every Bit of Our Galaxy

The Real Manakin Challenge

A Manakin Challenge for Researchers

SpaceX Launches Rocket, Its First Since Explosion on Launchpad

Australian Drug Maker Has Low Profile but Powerful Backers in Washington

Sometimes Nature is Morbid. That’s Why There’s #BestCarcass.

Questions for Scott Pruitt, Trump’s Nominee to Lead the E.P.A.

Why Do Our Recorded Voices Sound Weird to Us?

For the First Time, a Ruby Sea Dragon Flaunts in Front of the Camera

Why Killer Whales Go Through Menopause

Oliver Smithies, Tinkerer Who Transformed Genetics and Won a Nobel, Dies at 91

Scientists Map Vast Peat Swamps in Central Africa, a Storehouse of Carbon

Finding a Home on the Tree of Life for a Tentacled Ice Cream Cone With a Lid