The size and spin of black holes can reveal how they are formed and where they were born. You can tell a lot about a human being's ancestry from their general characteristics. A child can have ...

"In 2024, we saw a 17% year-over-year spike in the average number of close approaches in low Earth orbit per satellite." An international group of researchers is calling on the United Nations to ...

This wide-field view of the sky around the bright star system Alpha Centauri was created from photographic images forming part of the Digitized Sky Survey 2. (Image credit: ESO/Digitized Sky ...

The mystery of the Hubble tension has deepened with the startling finding that the Coma Cluster of galaxies is 38 million light-years closer than it should be. In recent years, trouble has been ...

"Spacecraft docking successfully completed! A historic moment." India continues to prove out the abilities of its increasingly robust space program. The two satellites of the Indian Space Research ...

Liftoff occurred at 10:45 a.m. ET today (Jan. 21). SpaceX launched another batch of its Starlink internet satellites from California's central coast today (Jan. 21). A Falcon 9 rocket carrying 27 ...

SpaceX is set to launch the seventh test flight of its Starship megarocket on Thursday (Jan. 16), and you can watch the action live. The 400-foot-tall (122 meters) Starship is scheduled to lift ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. SpaceX launched another batch of its Starlink internet satellites early this morning (Jan ...

100 years ago, Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help. If we could go back 101 years, we would encounter a time when ...

If you wanted to assemble a time capsule of late 1970s pop culture, the original "Battlestar Galactica" would be a good place to start. Not only was it an unashamed attempt to cash in on the ...