From the first picture proving that Earth was indeed spherical, to the first color image clicked from the lunar surface, ...

The U.S. military's classified mini space shuttle has returned to Earth after circling the world for 434 days.

NASA’s newest space telescope rocketed toward orbit Tuesday to map the entire sky like never before — a sweeping look at ...

The "stuck" Boeing Starliner astronauts will return to Earth March 16 after their relief crew arrives, NASA says.