Twenty-five of the endangered rodents are living on top of a multibillion-dollar Chilean gold reserve. Miners are going to great lengths to relocate them.

They lure their prey with the promise of sex and then kill them cold.

Yes, they can.

Healthy birds watched their friends get sick with a bacterial disease. Their immune cells freaked out.

Photosynthesis is about the plantiest thing on Earth. The little green thieves manage to pull it off anyway.

Whales have a history that is among the strangest and least-understood of any animal—and barnacles might be the key to unlocking their secrets.

Whale sharks can dive more than a mile deep. Marine biologists are still trying to figure out why they bother.