Learn what the first maps of the sun's atmospheric boundary reveal about solar wind and its escape into space.

Learn more about how researchers can take evidence from the past to better shape our idea of what Neanderthals looked like.

Learn about theobromine, a chemical compound in dark chocolate that is linked to anti-aging.

With a late-rising crescent moon and early evening activity, this year’s Geminids offer some of the best viewing conditions, ...

Learn how resident orcas collaborate with local dolphins to hunt salmon while offering protection for their smaller cousins ...

Learn how motion sensors and GPS tracking uncovered how raccoons weigh risk against reward.

Learn how rats with naturally high hormone levels chose to chill out by seeking puffs of cannabis vapor.

Learn how male bonobos use subtle behavioral and reproductive cues to pinpoint the fertile window, even when the usual ...

Learn how hunger affects mood only when people consciously feel it — not simply when energy levels drop.

Learn how chemical clues reveal a mosasaur was hunting in freshwater rivers as the Cretaceous seaway receded.

Do you really eat spiders in your sleep? Thankfully, no. Researchers explain why and how we’d know if we were swallowing ...

Learn how a major shift toward drought reshaped the Flores ecosystem and may have driven the hobbits to extinction.