NASA still hasn't launched its new James Webb Space Telescope, but the agency is already preparing for an even bigger and better space observatory to succeed it.
Before NASA's Mars 2020 mission is ready to launch toward the Red Planet, they have to paint the new rover — a task more challenging than it sounds.
As the Commerce Department works on plans to take over civilian space traffic management responsibilities, the U.S. Air Force is making more data available on the positions of military satellites.
A cyberattack that may have compromised information about current and former NASA employees is only the latest sign of ongoing information security problems that have plagued the agency for years.
The icy shell encasing Jupiter's moon Europa is both a promise and a problem, since it blocks scientists from getting a good look at what's going on under the ice.
The free Pluto Safari app let New Horizons fans track the probe's flyby of Pluto in 2015, and now it's set to follow the journey past the distant body Ultima Thule on New Year's Day.
The dazzling first trip to space by Virgin Galactic's crewed SpaceShipTwo Unity may have grabbed headlines last week, but another Virgin space launch company recently hit a milestone of its own.
NASA has serious plans to send astronauts back to the moon by 2028, and the agency is looking for help from U.S. companies to develop technology to accomplish this feat.
Who wouldn't want to travel in time, glimpsing the dinosaurs or peeking at humans 2,000 years from now? Now physicists have designed a time machine that seems deceptively simple.
A group of scientists wants to send a nuclear-powered "tunnelbot" to Europa to blaze a path through its thick shell of ice and search for life.
A NASA spacecraft originally built as part of the previous effort to return humans to the moon is now playing a key role in the new effort at human lunar return, including aiding commercial landers.
NASA's Mars InSight lander has settled into its new home on Elysium Planitia and is preparing to deploy its instruments — and if all goes well, one device's work should be complete by March.