Cosmic rays are particles from outer space that travel across the universe. They can be made by the sun, by other stars exploding, and even black holes. They move extremely fast, nearly the speed of ...

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

For years, astronomers have searched for the origins of ultra-high-energy cosmic rays, the most powerful particles in the universe. These energetic travelers move at nearly the speed of light ...

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 ...

Japanese researchers developed a system based on subatomic particles derived from high-energy cosmic rays to locate a person's position underground, something that existing navigation tools like ...

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 ...