Fossilized vulture feathers that were stunningly preserved in volcanic ash were a mystery until now.

The Euclid space telescope has spotted 26 million galaxies in just one week of observations.

As measles outbreaks in the U.S. continue, here's what to know about how the disease spreads, what its symptoms are, and how to protect yourself and community from the illness.

A shortfin mako shark, the fastest-swimming shark in the world, was caught on camera with an octopus catching a ride on its back off the coast of New Zealand.

Scientists uncovered a key genetic pathway in the origin of feathers, but they found that evolution is stubborn in turning back the clock.

The bonobo Kanzi, who learned to make stone tools, play Minecraft and communicate at the level of a 2-year-old human, has died.