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Edmond Fischer, who won Nobel Prize for discoveries about proteins in cells, dies at 101

Edmond Fischer, who won Nobel Prize for discoveries about proteins in cells, dies at 101

How Scorpion Tails Do the Bend and Twist

Sky Watch: Summer wanes, ushers Northern Hemisphere into cooler fall

Send Us a Video With Your Question About Kids and Covid

Lila Gleitman, Who Showed How Children Learn Language, Dies at 91

Fossils Seized in Police Raid Demystify a Prehistoric Flying Reptile

Satellites Spot Oceans Aglow With Trillions of Organisms

Female Hummingbirds Avoid Harassment by Looking Like Males

The ‘window is rapidly closing’ to gather crucial evidence on the virus’s origins, scientists say.

Deflecting an Asteroid Before It Hits Earth May Take Multiple Bumps

The ‘window is rapidly closing’ to gather crucial evidence on the virus’s origins, scientists say.

J. & J. finds that a second dose of its vaccine provides a strong boost.

A Shifting Climate Gave Humans Many Opportunities to Leave Africa

T. Rex Was Fearsome but May Have Been a Picky Eater

Just another wildflower? Botanists discover false asphodel is secret carnivore.

Just another wildflower? Botanists discover false asphodel is secret carnivore.

T. Rex Was Fearsome but May Have Been a Picky Eater

Gov. Greg Abbott of Texas says he tests negative for coronavirus.

Full F.D.A. approval of the vaccines may bring more mandates.

A mysterious sickness blinding birds has disappeared as suddenly as it arrived

A mysterious sickness blinding birds has disappeared as suddenly as it arrived

The Surgeon General said misinformation on social networks is damaging Americans’ health.

A microscopic video shows the coronavirus on the rampage.

A Big Ten school takes stock of its Covid testing plan.

Gov. Greg Abbott of Texas says he tests negative for coronavirus.

A guide to vaccine boosters.

Taking the Pulse of the Ocean’s Comb Jellies

Some Bat Pups Babble Just Like Human Babies

This Rattlesnake Dares You to Call Its Bluff

Fatal Attraction: Scientists Blame Sea Snake Attacks on Sex Drive

This Brain Remained Intact in a 310 Million-Year-Old Fossil

Laser Fusion Experiment Unleashes an Energetic Burst of Optimism

How Peppers Proliferated Around the Planet

What If You Could Become Invisible to Mosquitoes?

Saturn’s Rings Are Like a Seismometer That Reveal the Planet’s Core

Boeing’s Starliner Launch Is Delayed, Again, Possibly Until Next Year

The chances of this asteroid hitting earth are tiny, NASA says — but not zero

A Woolly Mammoth’s Tusks Reveal a Map of Where It Roamed in Life

See How Vaccines Can Make the Difference in Delta Variant’s Impact

NASA Says an Asteroid Will Have a Close Brush With Earth. But Not Until the 2100s.

Barry the Owl Brought Us Together. What Will We Do Without Her?

Here’s what to know about breakthrough infections and the Delta variant.

Watch the Perseids Meteor Shower Peak in Night Skies

Here’s what to know about breakthrough infections and the Delta variant.

Breakthrough infections and the Delta variant: Here’s what to know.

When Insects Lost Their Homes, Evolution Clipped Their Wings

Toshihide Maskawa, 81, Dies; Nobelist Helped Unlock a Cosmic Mystery

Moderna plans to open vaccine factories around the world, starting in Canada.

This Flower Hides a Secret: It’s Actually a Carnivore