B, a next-generation ocean-monitoring satellite developed in partnership with SpaceX and international agencies. The mission ...

The first flight mission for planetary defense, NASA's Double Asteroid Redirection Test (DART) seeks to validate a method to ...

The asteroids are as large as around 75 and 91 feet in diameter, according to the Center for Near Earth Object Studies.

Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick ...

I/Atlas is brightening, turning blue and emitting a radio signal, but scientists say its path misses Earth by a wide margin and it poses no threat to humans.

The Sentinel-6B satellite arrives in California for launch, ready to measure sea level with unprecedented climate accuracy.

NASA selects 10 new astronauts from among 8,000 applicants and begins training that will take them into orbit, to the Moon, ...

Three Chinese astronauts have returned to Earth after they were briefly stranded at the nation's space station when space ...

The ESCAPADE orbiters will reach Mars in 2027 to conduct NASA’s first coordinated two-spacecraft magnetosphere investigation.

The declaration came on Wednesday, December 21, after NASA failed to make contact with the lander across two consecutive ...

The Jeff Bezos-backed Blue Origin now rivals SpaceX after successfully recalling its reusable booster after launching the New ...

Three Chinese astronauts whose return to Earth was delayed by space debris hitting their vessel last week landed in China on ...