Could the benefits of cold temperatures be reproduced without the cold? A new study identifies a molecule that may hold part of the answer.

Blood samples from East Greenland reveal evidence of H5 bird flu infections in four apparently healthy polar bears, raising ...

Ancient sediment from beneath Greenland's ice reveals how much warmer summers were 416,000 years ago, offering new clues ...

North America's grasslands are disappearing by thousands of acres a day. A new report uncovers an overlooked path toward ...

Rising temperatures may have helped the deadly, drug-resistant yeast Candida auris adapt to human body heat and emerge ...

Antarctic sea ice reached its third-lowest winter peak in 2026, extending a decade of unusually low ice coverage and raising ...

Giant manta rays off Costa Rica split by age: juveniles stayed in shallow coastal refuges while adults crossed five countries ...

NASA's James Webb telescope detected shifting water clouds on WISE 0855, a cold brown dwarf, revealing weather and water ...

Regular tea drinkers had lower rates of heart disease and stroke over nine years, while scalding tea was tied to a higher risk.

Vaping habits among teens ages 15 to 17 have shifted dramatically since 2021, challenging what parents may assume about nicotine use.

Bone strength in seven fossils shows early Homo committed to the ground, while Australopithecus kept the arm strength of a climbing ape.

Researchers revisited a burial first uncovered over 200 years ago and found evidence that changes its history.