The first step on the moon was one of humanity's most exciting accomplishments. Now scientists are planning return trips—and dreaming of Mars beyond.

Mars, Europa and Enceladus are the three most promising locations in the solar system to search for life living off cosmic rays. Cosmic rays could be a vital source of energy for life on icy moons, on ...

For decades, a sharp kink in the energy spectrum of particles raining down from space has taunted astrophysicists, hinting at powerful engines in our Galaxy but refusing to reveal their identity. Now ...

Life on Mars sounds like something from a "Doctor Who" episode. But a study published in the International Journal of Astrobiology challenges the science fiction notion of that idea. The research ...

"Cosmic rays can interact with modern microelectronics and change the state of a circuit." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A ...

Milestone results released by the Large High Altitude Air Shower Observatory (LHAASO) on November 16 have solved a decades-old mystery about the cosmic ray energy spectrum—which shows a sharp decrease ...

The Oct. 30 incident saw the plane rapidly lose altitude and sent at least 15 to 20 people to the hospital. Getty; Nik Oiko/SOPA Images/LightRocket via Getty A space and radiation expert claims a ...

Michigan State University astrophysicists are closing in on one of space science’s biggest mysteries: where the galaxy’s most energetic particles come from. Their studies uncovered a pulsar wind ...

High-energy particles zipping through the cosmos are harmful to life on Earth, but scientists think it could be food for potential alien life elsewhere. Saturn's moon Enceladus (shown here in a 2006 ...