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

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

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

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

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

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

Learn how the discovery of a young planet orbiting two suns is revealing how worlds form and survive in binary star systems.

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.