The “slop drop” contains a number of groundbreaking results, but how it was generated remains unclear and contentious

Sea level on the California coast is likely to be pushed to extremes this winter by compounding forces, but these extremes could be the norm by the end of the century

It’s been a blistering year. A record-hot September doesn’t bode well for the rest of it

With a little help from knot theory, scientists have invented a “robust knit” to fight laddering

The secret to Jonathan the tortoise’s extreme longevity may be in keeping genes tidy

The first crewed lunar mission in more than a half-century brought back more than 800 gigabytes of data on colorful craters, flashing meteoroids and much more

Russian authorities reported earlier this week that an employee at a lab in Siberia that studies plague and other infectious diseases had died of pneumonia of “unknown” cause

A new study explores what goes on in the brain when mice get high on marijuana

Anthropic and OpenAI accused Chinese AI developers of mining their models’ answers to train cheaper copycats. Here’s how distillation works and why it’s so hard to stop

Researchers are closer to making “reversed” cells that may wipe us off the planet

The prize recognizes Henri Kagan and Kenso Soai's work showing autocatalysis in asymmetric organic synthesis.

Scientists named this oddball creature after the Demogorgon from Stranger Things

A month after resolving one of the six biggest open problems in mathematics, the company says its new internal model has toppled heaps more—this time without the multimillion-dollar price tagOpenAI…

Dozens of particles from halfway across the universe have landed in the IceCube experiment. These messengers could help answer some long-standing cosmic conundrums

Francis Halzen is a leader in the study of neutrinos, ghostly particles from across the universe that hint at exciting new physics

New solutions found to picture-hanging problems

So far this year has been ridiculously hot. If it stays that way, 2026 could set a sobering new record

Attachment is the term psychologists use for the most significant relationships that hold people’s lives together

Movement and creativity go hand in hand. Scientists are working to discover why

Karl Deisseroth, George Nagel and Peter Hegemann developed optogenetics, which uses light and genetics to control individual cells

Pairing artificial intelligence with acoustic technology helped reveal an Erturian tomb in new light

In the movie, a giant iceberg from Greenland floats into the sea, imperiling millions—but is that even possible?

The nonprofit start-up Pioneer Labs claims to have made the first-ever “microbe for Mars.” Other experts aren’t so sure

An unexplained high-energy neutrino detected three years ago could be linked to a primordial black hole, perhaps one more even unusual than previously thought

A future NASA telescope could spot atmospheric phenomena on planets orbiting other stars

Mathematicians have a new bucket list of open questions to chase

The satellite, Smile, is a joint European and Chinese mission to study space weather and geomagnetic storms above Earth

Just days after a Fields Medalist predicted that an AI would solve the puzzle, Anthropic succeeded

The site, located on the island of Lismore, may have been established by Saint Mo Luóc in the sixth century C.E.

As the planet changes, so will this nostalgia-triggering scent

An analysis of ancient sea-level changes reveals that the whole solid Earth has shifted multiple times

Scientists are piecing together why elephants make these low calls and what they might mean

Today Project Suncatcher is sending four AI processors into orbit on a SpaceX rocket to see whether the building blocks of a data center can survive space

Scientific American spoke to the Michigan Senate candidate about how his background in medicine has shaped his outlook

The new push loosens U.S. regulations for sterilizing spacecraft bound for the Red Planet and calls for modernizing the science of “planetary protection”

El Niño has stymied storm formation even more than forecasters expected

The experimental weight-loss drug is a triple agonist and the first of its kind to reach a phase 3 clinical trial

There’s little evidence that many IVF “add-on” treatments work. Should they even be offered?

Many cancers associated with infection are preventable

A new system sends faint electrical pulses through tissue instead of over Bluetooth. In rats, it made the animals flex one of their hind legs on cue when one of their front paws moved

No, fermenting garlic in honey is not a replacement for antibiotic or antiviral meds

The beloved game arose out of the opposing forces of the U.S. and the Soviet Union

Antibodies made by the immune system can sometimes target human brain cells, producing psychiatric symptoms. Researchers aim to better identify such rare cases as well as fine-tune treatments.

Environmental advocates have decried the move

After transplant, young hearts in both mice and humans showed signs of accelerated aging in older bodies, while older hearts in younger bodies seemed rejuvenated

Physicists at the Relativistic Heavy Ion Collider on Long Island have seen hints of a phase transition from the early universe