The two astronauts have a busy day ahead of them. Hague and Williams will "patch light leaks in the NICER X-ray telescope, ...

NASA's Parker Solar Probe has flown into the Sun's corona. Structures known as coronal streamers and the Milky Way can be ...

A SpaceX Falcon 9 rocket will launch moon landers built by Firefly Aerospace and the Japanese company ispace early Wednesday ...

So I grabbed my camera, ran outside, and looked up just as Mars was supposed to emerge from the Moon's curved horizon. Seen ...

SpaceX is set to launch the seventh test flight of its Starship megarocket today (Jan. 15), and you can watch the action live ...