The space agency is investing in the development of a propulsion system that uses nuclear power to create plasma bursts.
Boeing's Starliner is the latest addition to the surprisingly short list of passenger spacecraft in NASA's history.
Plus: The deepest blue hole, a haunting close-up view of the Sun's surface, and freaky alpaca sex.
The draft resolution sponsored by the U.S. and Japan would have reaffirmed a ban already put forth by the Outer Space Treaty.
China's Tiangong space station partially lost power after its solar panels were struck by an unidentified object late last year.
The mission rode aboard Rocket Lab's Electron, reusing one of the rocket's boosters for the first time.
Sierra Space's Ghost delivery platform is now in beta testing.
The space agency jettisoned a large pallet of old batteries, intending for them to burn up in Earth's atmosphere, but a small fragment survived the journey.
Astroscale's satellite parked itself next to an old rocket, aiming to capture the wayward junk and fling it towards a fiery death.
The military branch is testing its ability to respond to a threat by launching two spacecraft to chase after each other.
In Lunar Horizons, your mission is to find and collect resources to build a habitat on the south pole.
NASA's upcoming Artemis missions will include an astronaut from Japan as part of an agreement between the two nations.
Rocket Lab CEO Peter Beck has some unique approaches to innovation—and they seem to be working.
A Florida man, whose home was hit by apparent space junk, faced a struggle to be heard, raising questions about the correct procedures and accountability.
Experimental rocket launches, blazing hot reentries, and hypersonic planes—a lot has been happening in the world of spaceflight.
There's space, and then there's kinda-space. We're sick of people not knowing the difference.
I guess we'll never know what the runner-up designs were to that Star Fleet-looking logo.
Space One was aiming to be the first Japanese company to successfully launch a satellite into orbit.
After three years of uncontrolled descent, the 2.9-ton cargo pallet has finally fallen to Earth.
The probe has been glitching for months, and the prospects look very grim, but NASA is not yet ready to give up.