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

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

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

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

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

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

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

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

Vincent Dransfield lived independently to 110 years of age, crediting milk, friendship and optimism for his longevity.

Satellite data reveal that much of the Amazon's regrowing forest is young, fragmented, and vulnerable, despite strong connections to intact forest.

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

A study of nearly 4,900 U.S. adults found that eating more plants and less meat tracked with slower biological aging, even without giving up animal products entirely.