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

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

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

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

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

Learn more about the creation of fire, and how new artifacts show that fire was used tens of thousands of years earlier than ...

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

Learn why purrs say more about a cat's identity than its meows, and how domestication forever changed the way cats ...

Learn how chemical signatures in the Hjortspring boat’s caulking pointed researchers toward its Baltic origins.

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