China's Shijian-21 and Shijian-25 satellites had been moving toward each other in geosynchronous orbit, around 22,236 miles ...

The SETI Institute and SpaceX have launched a groundbreaking collaboration to help protect sensitive radio astronomy observations at the Allen Telescope Array (ATA) from interference caused by ...

Faculty of Physics, together with colleagues from Poland and other countries, have identified an exoplanet—a gas giant ...

Researchers from the U.K. plan to launch a CubeSat covered with a newly formulated "hull-darkening" Vantablack paint into ...

The Vera Rubin telescope, which is set to open its eyes to the sky later this month, has a 26-foot-wide (8.4 meters) mirror, ...