The Space Development Agency officially came into existence last week and already is causing a stir.
A supernova explosion flung out a super-dense, whirling stellar core, sending it streaking across space at almost 2.5 million miles per hour with a glowing trail 13 light-years long in its wake.
NASA's Terra satellite captured striking views of the meteor that exploded over the Bering Sea on Dec. 18, 2018.
It's a bird! It's a plane! Nope, that's the International Space Station zooming past the moon at an impressive speed of about 5 miles per second.
NASA is considering funding a mission that would send a satellite the size of a mini-fridge to the asteroid belt to examine an unexplored world: a massive asteroid scientists call Pallas.
Can two versions of reality exist at the same time? Physicists say they can — at the quantum level, that is.
Scientists hunting for signs of alien life shouldn't be so quick to dismiss carbon monoxide, a new study suggests.
Engineers are still trying to understand why one of the main instruments on NASA's InSight Mars lander is stuck just below the Martian surface.
The seasons change on Earth today, and Google is getting into the equinox spirit with a pair of doodles to celebrate the yearly milestone.
If you want to use a nuclear weapon to save the world from an asteroid, don't try to do it the way Bruce Willis did, NASA's planetary defense office would like to remind you.
The near-Earth asteroid Bennu is one of just a dozen or so known 'active asteroids,' newly announced observations from NASA's OSIRIS-REx spacecraft reveal.
The near-Earth asteroid Bennu could be Exhibit A for space miners making their case to skeptical investors.
NASA will announce new science results from its first-ever asteroid sample return mission in a live teleconference today (March 19) at 1:30 p.m. EDT (1730 GMT). Listen live here!
A Japanese spacecraft studying the near-Earth asteroid Ryugu beamed home new data revealing that the space rock has less water than scientists expected.