Only two creatures—both mammals—have been seen by private orbiting cameras.

What other species can teach us about democracy

Millions end up rotting in landfills. But Halloween’s leftover pumpkins don’t have to go to waste.

Jessica Chastain stars as Antonina Zabinski, who used the Warsaw Zoo to save the lives of hundreds of Jews during World War II.

The technique will allow researchers to study Neanderthals and other prehistoric people without relying on fossils.