The tallest tree in Muir Woods is half as old as researchers expected it to be.... READ ON
The highly invasive climbing perch can live on land without water for days.... READ ON
The Mola mola—which looks like a prehistoric shark that lost a tail in an epic battle—might be the world's weirdest fish. Here are just a few reasons it's the most fascinating marine creature around.... READ ON
When a presidential candidate says adults in America are suffering from a "fun deficit," you know it's time to take the issue seriously. The following 20 camps are alternative ways to spend your allotted vacation time.... READ ON
Facebook engineers originally wanted to call the "Like" button the "Awesome" button.