Black bears follow temperature in fall but day length in spring, showing that different cues control their activity across ...

NASA satellites captured Anak Krakatau erupting as volcanic ash climbed up to 50,000 feet and spread across parts of ...

Methane in Arctic glacier rivers on Svalbard came from ancient shale, not microbes, and the yearly total is tiny next to what ...

Periodical cicadas have failed to return to many recovered forests, and new research suggests natural recolonization could ...

Electrically charged water droplets can puncture protective coatings, exposing the metal beneath and creating new pathways ...

Three major trials examined what happens when people replace sugar with low-calorie sweeteners and keep sweetness in their ...

Greenland ice reveals a surprising shift in industrial pollution after 1990 that could help explain recent Arctic warming.

Researchers followed 376,511 people for up to 14 years to work out what that gap costs. By their estimate, taking part came ...

A medaka cold tolerance test scored by AI agreed with trained experts, and one small Taiwanese fish lasted longer than its ...

Smoking rates are down, but nicotine use is changing as vaping rises and younger generations start smoking earlier.

Sixteen Asian elephants in Thailand gave up a trunk habit as soon as it stopped working, the first evidence of self-control ...

Star formation has fallen by more than half over 4.5 billion years, even as the universe’s supply of atomic hydrogen has ...