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.

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

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

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

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

Learn the untold story of the hammock, and how it was used by both Indigenous cultures and European colonizers.

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