Cosmic particles with phenomenal energy have puzzled scientists for decades. A new theory may finally unveil their origin.

A slowly spinning universe could resolve a puzzle in physics known as the Hubble tension, a new model suggests.

During a brief but dramatic chapter in Earth's history about 41,000 years ago, the planet’s magnetic field nearly collapsed.

Earth's Northern Lights typically dance near the poles, but 41,000 years ago, they lit up skies over North Africa and ...

Mysterious dark matter makes up 85 percent of matter in the universe, and of the remaining 15 percent, scientists couldn’t ...

When we look for extraterrestrials, we often peer into the depths of space. But alien life might be closer than you think ...