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.

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

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

Spot the stunning ‘Cold Moon,’ the third in the series of three sequential supermoons in 2025, which will appear alongside ...

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