Potent powders can produce a nearly catatonic state, particularly in those who have not tried the drug before.

In an interview, Dr. Peter Piot recalled when he first saw the spindly virus under a microscope and reflected on a five-decade career spent fighting two deadly pathogens.

Cephalopods are masters of camouflage. Scientists want to decipher how the process works in the brain.

The city’s latest feathered extraordinaires are captivating the Upper West Side with their screeches.

On the Science desk, Victoria Jaggard spends her days pondering the universe’s most pressing mysteries.

“The Sea-King and the Sorceress” examines the lives and deaths of the diverse people who called themselves Vikings.

Since the days of Dr. Alzheimer himself, there has been a dream that severe senility might have an explanation — and a cure. The search for both has never been more urgent.

To homeowners, fallen leaves look like work. To nature, they’re an investment, with tremendous value on the secondary market as invertebrate real estate.

At the Los Alamos National Laboratory, Mary Tsingou Menzel’s computer programming helped set the stage for chaos theory and other fields.

Nikon announced that it had disqualified the winner of its Small World in Motion competition over how A.I. was used in his submission.

Hundreds of new A.I.-generated findings moved the frontiers of higher math in a single day — dispelling any doubt that the field is forever changed.

New details have emerged about an initiative that starts in December to fast-track the vaccines, similar to the successful push for the Covid-19 vaccine.

The woman who helped put astronauts on the moon was a software engineer when the field was not prestigious or lucrative.

OpenAI’s trove of new math results doesn’t fully solve any of these highly prestigious open questions, but it seems to make progress on some.

Two men, who arrived separately from Cuba days apart, each carried clutches of live birds concealed in their clothes, the authorities said.

Scientists have sequenced his genome for the first time, hoping the world’s oldest land animal can offer clues into the genetics of longevity.

The director, Michael Brennan, oversees 45 federal workers, including hurricane specialists and meteorologists.

Missing details about the death of a lab worker, including the cause, are worrying scientists.

They thought it might explain why their health had diverged. Instead, it stirred up feelings that weren’t so easily quantified.

The total footprint of buildings along flood-prone riverbanks in the Himalayas grew by half in recent years, a study found.