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

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

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

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

The largest dietary study comparing children’s diets shows that eating a vegetarian and vegan diet can work well for growing ...

Learn more about nanoplastics and how easily they can get into the bloodstream of zebrafish, resulting in buildup in the brain and reproductive organs.

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

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

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

Meet Salwasiren qatarensis, a small, ancient sea cow species whose fossils were found in Qatar, in one of the world’s biggest ...

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

Learn more about brown dwarfs, the cosmic misfits that blur the line between planet and star.