Elon Musk, founder and CEO of SpaceX, has advocated for a Mars-first strategy and has previously called planned missions to ...

The chances of an asteroid striking Earth within the next decade has doubled in a matter of weeks, according to NASA ...

NASA astronauts Suni Williams and Butch Wilmore performed a spacewalk Thursday, nearly eight months after arriving at the ISS. The two astronauts were supposed to return after one week, but delays ...