NASA’s Space Launch System (SLS) is ready to fly with its four shuttle-era engines. The rocket, outfitted with the RS-25 ...

A possible new "jellyfish" galaxy discovered by the James Webb Space Telescope could deepen our understanding of galaxy ...

SpaceX is planning a Falcon 9 launch of the Eumetsat MTG-S1 mission to geosynchronous transfer orbit Tuesday evening. It's ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

People keep watching superhero movies because deep down, we all want to stand beside the heroes we love. In the last ten years, a few movies did more than show huge fights and blown-up buildings.

UPDATE for 11 a.m. ET: Blue Origin has successfully launched 6 passengers to space an back on NS-33. See our full wrap story ...