As the government investigates an unauthorized satellite launch, amateur trackers are watching the skies for clues.
For the Tesla and SpaceX founder, the acts of rogue employees are not just fireable offenses—they’re treason.
President Trump has directed his military advisers to create a sixth military branch devoted to the cosmos, but doing so may require an act of Congress.
Astronomers have detected the glow of a star being slowly devoured millions of light-years from Earth.
Will Opportunity survive a massive dust storm?
What if you deleted all your emails during vacation and never looked back?
The Curiosity rover is at it again.
NASA has spent years talking about going to Mars, with little action. Is it about to do the same for the moon?
The Trump administration and Congress are set to collide over the fate of the massive orbital lab.
“Very few people could name an Arab astronaut or scientist, even in many Arab countries.”
Scientists have discovered an unexpected landscape on the dwarf planet.
The billionaire’s Twitter tirade was so ill-informed it led to a subtweet from his former head of communications.
Astronomers have found tantalizing new evidence that strengthens the case for a ninth planet beyond Neptune—but some still doubt its existence.
“I also know that we human beings are contributing to it in a major way,” Jim Bridenstine said, taking an unusual stance for his administration.
... beginning with a tiny chopper that is set to land on Mars in 2021.
Scientists used archival data to search for signs of an ocean beneath Europa, a moon of Jupiter.
The space agency hasn't funded the search for extraterrestrial intelligence for 25 years. Could that soon change?
How scientists and engineers handle a spacecraft’s months-long journey to Mars
Why more than 1 million people put their names on a mission to our nearest star
Astronomers have detected luminous clusters of galaxies much earlier in the universe’s history than expected.
Nearly 15 months after President Trump was sworn in, the space agency has a permanent administrator.