A new crew is en route to the ISS. NASA TV has coverage of the docking and hatch opening.
Groundbreaking innovations from the last year that will change our world—and hopefully save it.
One crew returns from the ISS after 141 days in space as another prepares to launch on Tuesday.
Tim Peake ran the London Marathon in 1999. In 2016, he’ll do it again, from the ISS.
New Shepard successfully launched and then touched back down unharmed.
A NASA mission reveals what happened to the water on Mars's atmosphere.
The agency is set to announce details on Thursday at 2 p.m. ET.
The next class of astronauts could head to the ISS, fly on NASA’s Orion or embark on a commercial crew spacecraft.
Moscow's spacecraft contractor is preparing a lunar ship.
Luckily, most of it will probably burn up in the atmosphere.
“Songs From a Tin Can” was recorded while the astronaut was on the International Space Station.
Program scientist Curt Niebur explains new data from NASA’s New Horizons mission.
SpaceIL is the first team in the Google Lunar XPRIZE competition to announce a verified contract.
It's the first such occasion since 1982, and the next supermoon eclipse won't happen until 2033.
NASA has released an image taken by the New Horizons spacecraft just 15 minutes after its Pluto flyby.
Jeff Bezos is going where no dot-comer has gone before.
The yearlong project will isolate six researchers on the slopes of Hawaii’s Mauna Loa volcano.
"We have various levels of training certification for the crew for each system."
Continuing a long tradition of space program conspiracy theories, ‘Pluto Truthers’ claim NASA is faking it.
This feast is the first of its kind.
NASA just released new images of the moon passing in front of the Earth from a million miles away.