New research suggests that the holes were the site of an ancient marketplace, and Inca rulers may have used them as a ...

This mountainside is covered in thousands of mysterious ancient holes. Scientists believe they now know why - Early aerial ...

The depths of Earth have puzzled the scientific community for millennia. For many years, we only had access to natural holes, ...

Mathematician Grigori Perelman solved the Poincaré conjecture, and then rejected the $1 million prize that came with it.

New simulations suggest magnetic fields hold the key to forming black holes that defy known mass limits. When powerful ...

How did the Jaguars blow the biggest lead in franchise history? A look at 10 defining plays in the fourth quarter.