Studies suggest AI can weaken learning when it replaces effort, but tools that guide rather than answer may help people keep ...

An emperor penguin colony in Antarctica saw a massive decline in chicks in 2025. The contours of a nearby grounded iceberg ...

A potent compound allows naked mole-rat queens to control their colonies, researchers report July 15 in Nature . Individuals ...

Female pied flycatchers can tell whether a male is paired or not based on song differences. Mated males sing shorter songs ...

A diet rich in the amino acid arginine might help the immune system fend off cancer and infection.

Researchers tracked a prescribed grassland fire using infrasound, sound waves pitched too low for people to hear.

A canopy call, a partial photo and DNA revealed a new primate species — one that may already be at risk of extinction.

Ancient mammals may have had an easier time moving across the Isthmus of Panama from north to south thanks to Mexico’s ...

A chat with aged avatars of future selves can guide people paralyzed by tough decisions. The question is what information to ...

A century of hints has suggested the famed red supergiant had a star pal but seeing it amid Betelgeuse’s brightness has been ...

A protein that is a hallmark of Alzheimer’s disease may also ID a brain condition associated with head trauma in contact ...

Killer whales might pulverize sunfish to break them into smaller bites for young orcas — or they might just find it ...