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

Cosmic rays may play a role in triggering lightning on Earth, a new study suggests. | Credit: Jan Drahokoupil / 500px / Getty Images Cosmic rays may offer an out-of-this-world answer to a long ...

The most powerful cosmic rays raining down on Earth may come not from distant corners of the universe but from heavy dark ...

Scientists are using cutting-edge techniques to track water ice on the Moon—an essential resource for future space missions.

LARGE variations in the intensity of cosmic rays have been observed during the period of the recent great sunspot group, January 29–February 12, 1946. According to information kindly given by ...

We still don't fully understand what triggers lightning. A new study suggests that showers of cosmic rays may be the missing link. Cosmic rays may offer an out-of-this-world answer to a long ...