Add Yahoo as a preferred source to see more of our stories on Google. Scientists from the University of California at Berkeley are using the 500-meter Aperture Spherical Telescope in China to check ...

Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

A recent SETI Institute study suggests that space weather could blur and weaken extraterrestrial radio signals long before ...

System places powerful light sources on satellites to send coded signals for drones, self-driving cars, space missions to navigate Chinese researchers say they have built an 11-satellite network for a ...

Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect. The SETI Institute uses radio telescopes to search for signs of intelligent ...

A constellation of classified defense satellites built by the commercial company SpaceX is emitting a mysterious signal that may violate international standards, NPR has learned. Satellites associated ...