Sciences

3 Policy Moves Likely to Change Health Care for Older P...

Two regulatory rollbacks, along with a new A.I. experiment in Medicare, raise so...

Joel Primack, Physicist Who Helped Explain the Cosmos, ...

A professor at the University of California, Santa Cruz, he was a key contributo...

Artemis II Moon Mission: NASA Begins Rolling Giant Rock...

The Space Launch System and Orion capsule are being transported to the launchpad...

No Link Between Acetaminophen in Pregnancy and Autism, ...

The review looked at more than three dozen studies and found no evidence that ac...

If the Volcanic Eruption Doesn’t Scare You, the Mudflow...

Studying tree rings helped scientists pinpoint when Mount Rainier last sent a la...

For Men, How Much Alcohol Is Too Much?

Federal officials working on the new dietary guidelines had considered limiting ...

NASA Astronauts Return to Earth After Medical Evacuatio...

The members of Crew-11 — two American, one Russian and one Japanese — splashed d...

Highlights From NASA’s Medical Evacuation From the Spac...

Two Americans and astronauts from Japan and Russia landed in a SpaceX capsule in...

Weather Detours a Scientific Expedition to Antarctica’s...

Bad weather has postponed attempts to set up camp on the Thwaites Glacier. So re...

Toby Kiers, World Champion of Mycorrhizal Fungus

This year’s recipient of the Tyler Prize for Environmental Achievement talks abo...

A Scientific Expedition to Antarctica’s Thwaites Glacie...

The clock is ticking. But low clouds have prevented helicopters from moving scie...

Medical Groups Will Try to Block Childhood Vaccine Reco...

The groups, including the American Academy of Pediatrics, say the C.D.C.’s revis...

Bird Flu Viruses Raise Mounting Concerns Among Scientists

Researchers are not just worried about the virus popping up on American farms. O...

F.D.A. Decisions on Abortion Pill Were Based on Science...

A study of more than 5,000 pages of agency documents on mifepristone over 12 yea...

The Scientists Making Antacids for the Sea to Help Coun...

The world’s oceans are becoming dangerously acidic. A controversial proposal wou...

New Children’s Vaccine Schedule May Not Be the Last of ...

Comments by Robert F. Kennedy Jr. and his allies suggest the revised schedule ma...

This Dinosaur Really Knew How to Get a Grip

A fossil of Manipulonyx reshetovi, found in a Mongolian desert, shows how the di...

Why This Fish Actually Needs a Hole in the Head

A cavity in the middle of the rockhead poacher’s skull might be used like a mara...

Joel Habener, Whose Research Led to Weight-Loss Drugs, ...

His discovery of the protein fragment GLP-1 was crucial in the development of Oz...

Jerome Lowenstein, 92, Dies; Teaching Doctor With a Lit...

When not guiding students in a compassionate approach to patient care, he led a ...

Scientists Discover Cloud-9, a Starless ‘Galaxy That Wa...

Astronomers announced the discovery of a starless cloud of hydrogen gas, a prist...

NASA May Return Early From International Space Station ...

NASA said it canceled a spacewalk planned for Thursday after an astronaut had an...

Dogs Build Their Vocabularies Like Toddlers

Eavesdropping on their owners seems to help some toy-crazy and talented pups lea...

The Icebreaker Araon Reaches the Thwaites Glacier

After a 12-day crossing, and a hard slog through sea ice, the field work on this...

The Year in Neanderthal Discoveries

They drew with crayons, possibly fed on maggots and maybe even kissed us: Forty ...

Vaccines Are Helping Older People More Than We Knew

Many shots seem to have “off-target” benefits, such as lowering the risk of deme...

Bacterial Vaginosis Is No Longer Thought to Affect Only...

Gynecologists long viewed bacterial vaginosis as solely a women’s issue — until ...

So You Have Bacterial Vaginosis. What Do You Do Now?

Now that the condition is known to spread sexually, there are steps you and your...

Before This Physicist Studied the Stars, He Was One

Brian Cox once toured as a keyboardist in major rock and pop bands. Now he’s a p...

Hundreds Sue Virginia Hospital and Executives Over Unne...

More than 500 women claimed that they had received unnecessary operations. Hospi...

Who’s the Parasite Now? This Newly Discovered ‘Fairy La...

Found in a forest outside Kuala Lumpur, Malaysia, the plant steals nutrients fro...

Why Scientists Are Performing Brain Surgery on Monarchs

Scientists in Texas are studying monarch butterflies to understand how they navi...

Trump May Give SpaceX Some Land In A Texas Wildlife Refuge

In exchange for the land in Texas, the rocket and satellite company would give t...

This City’s Best Winter Show Is in Its Pitch-Dark Skies

A heritage of dark sky preservation means residents of Flagstaff welcome the sea...

How to Watch the Ursids Winter Solstice Meteor Shower

The Ursids this weekend are a winter solstice light show.

Museum of the Earth and Its Fossil Collection Fight The...

A funding crisis at the Museum of the Earth and the Paleontological Research Ins...

The Meek Really Did Inherit the Earth, at Least Among Ants

How did ants take over the world? The answer may be skin deep.

NASA Webb Telescope Discovers Lemon-Shaped Planet, the ...

An unusual object orbiting a rapidly spinning star might be a new phenomenon in ...

Trump Moves to End Gender-Related Care for Minors, Thre...

Proposed new rules would punish the hospitals by pulling all federal financing. ...

MIT Professor Nuno Loureiro Is Fatally Shot in His Broo...

The professor, Nuno F.G. Loureiro, was pronounced dead at a hospital on Tuesday ...

Jared Isaacman Confirmed to Run NASA as Space Program I...

Jared Isaacman, the billionaire nominated twice to lead the agency, may draw som...

Heart Association Revives Theory That Light Drinking Ma...

The American Heart Association report runs contrary to recent studies — and the ...

How the Pandemic Lockdowns Changed a Songbird’s Beak

For ecologists, the Covid-19 pandemic has presented a remarkable natural experim...

A Powerful New Drug Is Creating a ‘Withdrawal Crisis’ i...

Medetomidine, a veterinary sedative mixed into fentanyl, has sent thousands to h...

Review of Medical Cannabis Use Finds Little Evidence of...

Researchers found a chasm between the health reasons for which the public seeks ...

This Squid Is Playing Peekaboo at the Bottom of the Ocean

Perhaps it was hiding from predators. Or trying to catch food. Then again, maybe...

How to Watch the Geminids Meteor Shower Reach Its Peak

The moon will be about one-third full as one of the year’s last meteor showers b...

New Eli Lilly Drug Retatrutide Brought Major Weight Los...

The maker of Zepbound reported results from a study of retatrutide, which target...

A Hot Plant’s Irresistible Signal Makes Beetles Pollina...

Ancient plants called cycads say “come hither” in infrared.

A Hot Plant’s Mysterious Signal Makes Beetles Pollinate It

Ancient plants called cycads say “come hither” in infrared.