A recent mission atop a Hawaiian volcano shows humans still have much to learn before they set foot on another world.
The space agency will stop trying to contact the Opportunity rover, which was sent to Mars to search for evidence of water.
Even astronauts have to deal with plumbing problems.
The singer says she’s a star. But what kind?
It could be time to say goodbye to a beloved rover.
For humans to survive off Earth, we’ll need vegetables to eat and flowers to admire.
The reality of space travel squashed his impulsive desire to reach Mars in his first term rather than in the 2030s.
News about extraterrestrial life sounds better coming from an expert at a high-prestige institution.
Astronomers have produced the best measure yet of the planet’s signature bands.
The impasse in Washington hasn’t yet threatened a significant milestone in the American space program.
It was unusually bright and evolving fast.
Bungled plans between the U.S. and Russia highlight how hot-and-cold international relations mess with space exploration.
Two mysterious cosmic signals
Mark your calendars for a rendezvous with the Large Magellanic Cloud.
Investment in lunar exploration is growing once more—humanity has achieved many lunar firsts, but others are still to come.
China’s successful landing is part of the moon’s long geopolitical history.
In the icy reaches of the solar system, NASA discovered a snowman-shaped object.
A start-up wants a woman to deliver a child 250 miles above Earth. The first question: Why?
As partygoers downed champagne, a spacecraft swept past a mysterious object 4 billion miles from Earth.
The recent light show over the city tapped into a deep vein in human culture.
For years, more men than women were allowed to use the world's most powerful telescope—until the system changed.