The Space Force just took a big step from sci-fi-sounding dream toward reality.
We may not have to wait much longer to get our first glimpse of E.T., NASA chief Jim Bridenstine said.
NASA's Mars rover Opportunity owed its astounding longevity to superior engineering, smart and creative drivers, and surprisingly consistent Red Planet winds, mission team members said.
Some parts of the dwarf planet Ceres harbored pockets of near-surface water for millions of years in the recent past, a new study suggests.
SpaceX's Mars ships won't be ferrying just the super rich to and from the Red Planet, if everything goes according to Elon Musk's plan.
NASA made its final attempt to resurrect the long-silent Opportunity rover on Mars on last night (Feb. 12). It will update the public today.
Despite what you may have heard, the Valentine’s Day sky won't provide a glimpse of our impending doom. (Unless you're a star-crossed lover, of course.)
Virgin Galactic wants to make the world a better place by giving a lot more people some much-needed perspective.
Here's what you need to know about SpaceX's Crew Dragon astronaut taxi, its upcoming shakeout flight to the space station and the short-term future of human spaceflight.
The final photos that NASA's New Horizons spacecraft snapped of Ultima Thule during the probe's epic Jan. 1 flyby reveal the distant object to be much flatter than scientists had thought.
The monster collision between our Milky Way and fellow spiral galaxy Andromeda will occur about 4.5 billion years from now, rather than in 3.9 billion years.
Astronomers just found an asteroid that zips around the sun every 165 Earth days — the shortest year for any known asteroid.
A Japanese asteroid probe will snag samples of its target space rock just two weeks from now, if all goes according to plan.
SpaceX’s new astronaut taxi won’t make its inaugural trip to the International Space Station (ISS) this month after all.
An Arianespace Ariane 5 rocket today (Feb. 5) launched to Earth orbit two satellites carrying communications payloads for the Indian Space Research Organisation, Saudi Arabia and Greece/Cyprus.