Add Yahoo as a preferred source to see more of our stories on Google. Cosmic radiation could be a boon for subsurface life on worlds such as Europa (left), Mars (center) and Enceladus (right), ...

The traditional astrophysical recipe for life as we know it is quite simple: Get a rocky, gas-shrouded world in a “habitable zone” orbit around a star so that it’s not too hot or too cold. Then just ...

The first thing to know about potential alien invaders is that they are no longer classified by the U.S. Government as unidentified flying objects. That sounds too scary. They are classified as ...

SALT LAKE CITY — The first thing to know about potential alien invaders is that the U.S. Government no longer classifies them as unidentified flying objects. That sounds too scary. They are classified ...

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 ...

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 ...

For decades, astronomers and researchers have been monitoring the skies, detecting a wide range of signals from deep space. While many of these radio waves and electromagnetic bursts can be traced to ...