A history-making all-female crew of analog astronauts have "returned to Earth," completing a two-week mission in a mock Mars habitat on the big island of Hawaii.
Alien life is out there, but our current theories seem to be steering us away from it, says this scientist.
The great distances covered by visiting "aliens" may be ones of time rather than space, a recent book argues.
Two NASA astronauts are taking a spacewalk outside the International Space Station today (Jan. 15), and you can watch all the action live online.
SpaceX and NASA officials are hosting a post-launch press conference today (Jan. 19) at 11:30 am ET (1630 GMT), after a major test flight of its Crew Dragon spacecraft this morning. Watch it live!
SpaceX successfully conducted an in-flight abort test of its Crew Dragon crew capsule on Jan. 19 to test the emergency escape system for astronauts. See photos of the test here!
The first crewed flight of SpaceX's new astronaut taxi is likely just a few months away, now that a critical safety test is in the rearview mirror.
The waning crescent moon will form a triangle with the Red Planet and the bright star Antares in the morning sky on Monday (Jan. 20), and you can catch the trio in the morning sky before dawn.
Here's a guide to all the rocket launches and astronomical events in 2020, as well as milestones for space missions, anniversaries and conferences.
SpaceX just took a giant leap in its quest to launch astronauts, successfully showcasing the Crew Dragon capsule's launch escape system during flight.
SpaceX will launch its Crew Dragon spacecraft on a critical abort test Saturday morning (Jan. 18), and you can watch it live online.
A 16-year NASA mission that painted the universe in infrared light will come to an end this month, as the Spitzer Space Telescope takes its final observations on Jan. 29.
SpaceX has postponed the launch of a major astronaut safety test of its Crew Dragon spacecraft to Sunday, Jan. 19, due to bad weather at the launch and recovery sites.
Fans of Captain Malcolm Reynolds in the science fiction TV show "Firefly" now have a glimpse of his family history — in comic form.
Browncoats, it's finally here — the next chapter of the Unification War of the "Firefly" sci-fi franchise in a new comic from creator Joss Whedon and others.
O Captain! my Captain! Sir Patrick Stewart reprises his iconic role as Jean-Luc Picard in the latest spin-off series in the "Star Trek" universe.
Elon Musk outlined some ambitious goals for SpaceX's Starship Mars-colonization system during a flurry of Twitter posts on Thursday (Jan. 16).
SpaceX will launch its Crew Dragon spacecraft on a critical abort test Sunday morning (Jan. 19), and you can watch it live online.
Current page: 1