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

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

For the first time, scientists have proven tanning beds are more dangerous than the sun and cause widespread DNA damage.

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

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

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 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 how a particle born in the sun’s core left a measurable flash of light two kilometers beneath Earth’s surface.