Real-time data from the Apollo 11 astronauts, carefully monitored by Mission Control, capture the frenzied maneuvers that put men on the moon.
A spacecraft has finally gotten close enough to the sun to gather clues about some lingering questions.
It’s about to get lit on the International Space Station.
Why everyone’s mornings seem more productive than yours
A study has turned up a side effect of human spaceflight that no one had observed before.
With a successful first mission in the books, the crew of Apollo 12 was under less pressure.
A giant swimming pool is the best place on Earth for simulating weightlessness.
NASA has carried out its first all-female spacewalk, but hints of outdated thinking about women in space remain.
The lunar supply won’t be anything like the stuff on Earth, but NASA wants it anyway.
A trip outside the International Space Station is, at its core, a home-improvement project.
The next time the Nobel Prize recognizes exoplanet science, it could be for the detection of signs of life on another world.
A shared effort to deliver NASA astronauts to space recently got a little awkward.
Elon Musk has laid out an ambitious future for his spaceship project, the effort to deliver people to the moon and Mars.
Two years after illegally launching tiny satellites into orbit, a start-up is trying to convince regulators it’s going to play by the rules.
Astronomers have found radio-emitting structures jutting out from our galaxy’s black hole.
The second known visitor to our cosmic neighborhood from another star is making quite an entrance.
Stopping collisions in space starts with good communication.
K2-18b probably can’t host life as we know it, but it orbits in a cosmic sweet spot where water vapor in the atmosphere could turn into liquid.
India lost contact with its spacecraft just before touchdown. Why is it so hard to stick a lunar landing?
For would-be parents working on the historic Voyager mission, the best time to have children was in the window between planetary stops.
Researchers didn’t know how people would react to weightlessness. So they sent animals first.