The native Puerto Rican toad has long been endangered on the island thanks to habitat loss and invasive species. Yet fame, ...

The human body is a machine whose many parts—from the microscopic details of our cells to our limbs, eyes, liver and ...

A colorized computed tomography (CT) scan of the brain revealing blood vessels in the brain. A new study finds microplastics accumulate at higher levels in human brains than in the liver and ...

Tove Jansson was a trailblazing illustrator and author—and the inventor of the beloved Moomins, the central characters of her ...