SpaceX is working on something unusual in orbit, and it could open the door to a very different kind of space mission than most people expect.

Add Yahoo as a preferred source to see more of our stories on Google. SpaceX streamed video of the Tesla Roadster in space after the launch. Time flies when you're floating aimlessly through the cold, ...

Add Yahoo as a preferred source to see more of our stories on Google. Free-floating, planetary-mass objects that are just drifting carefree through the galaxy, untethered and starless, appear to be ...

Three Alabama high school graduates have a special connection to the Artemis II mission — their names are floating in space right now because of a project they did for NASA three years ago. The ...