When Harrison Ruffin Tyler's grandfather was born 235 years ago in 1790, George Washington had just become the nation's first ...

By studying proteins preserved in teeth, researchers determined the sex of four Paranthropus robustus individuals that lived ...

The anonymous street artist announced the uncharacteristically personal artwork on May 29. It's located on a wall in the ...

Noctilucent clouds usually form close to the poles, but in recent decades, they’re being spotted closer to the Equator ...

Kami Rita has been scaling the world's tallest mountain since 1994. He reaches the summit nearly every year—and sometimes ...

White-nose syndrome caused millions of bat deaths, and scientists are sounding the alarm that a second fungus could be ...

Two bars that Hershey's devised for the U.S. military: Ration D, and the tastier (and more enduring) Tropical Chocolate Bar, which soldiers received as late as 1991. Yasu Mizoi When Captain Paul ...