Elon Musk and SpaceX recently marked the 5-year anniversary of Starlink being operational. What to know about the satellites ...

Humans have been in space onboard the ISS continuously for 25 years. As the station nears its end, new commercial habitats are lining up to take its place ...

The International Space Station marks a quarter-century of continuous occupancy this weekend, boasting a guest list of nearly ...

The interstellar comet 3I/ATLAS is barreling toward its closest point to the sun as perihelion looms on Oct. 29. How different will it look when it reappears on the other side?

Mars is where that leadership will be proven. And if NASA is serious about sending humans there, and keeping them safe while they’re there, that investment in long-term infrastructure needs to start ...