Researchers have identified dozens of previously undetected debris fragments in geostationary orbit, warning that the region ...

Launching in the 2040s, the HWO telescope will search for Earth-like planets and feature swap-out instruments maintained by ...

"Ultimately, we think of Titan as the next big leap beyond Mars." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

NASA’s never-before-attempted plan to move a sensitive scientific satellite into a safer orbit has faced a week of delays—but it’s still go for launch. Reading time 3 minutes Update, June 3, 9:21 a.m.

Two NASA astronauts floating outside the International Space Station carried out a bit of orbital surgery Tuesday, successfully replacing a broken 200-pound "wrist" joint near the end of the lab's ...

If you are a believer in visitors from outer space, this is your moment. The feds have declassified UFO files, there is a new documentary on alleged UFO sightings, and, of course, the new Steven ...

That’s what Rep. Nate Davidson, D-Cumberland and Dauphin said during a Tuesday Pa. House committee meeting on extraterrestrial life. The House Communications and Technology Committee met on the day of ...

The NASA Swift space observatory is in danger of falling from space after 22 years, but a rescue mission with the help of a robot is set to launch on June 30. NBC News’ Gadi Schwartz talks with ...

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In a first-of-its-kind mission, Katalyst Space, a startup, is attempting to rescue NASA's Swift Space Observatory using the company's newly developed robotic spacecraft. Donald Trump’s approval rating ...