Space.com

NASA and Boeing are still working on the thruster issues that Starliner experienced on its first crewed flight last year, so the capsule's next liftoff is a ways off yet.

The U.S. Space Force has certified ULA's new Vulcan Centaur rocket to launch national security missions, doubling the number of providers for such flights.

NASA has canceled the planned June liftoff of a Cygnus ISS resupply mission due to damage the freighter incurred during transport to the launch site.

NASA's Parker Solar Probe has successfully completed its second science-gathering flyby of the sun, the space agency announced earlier this week.

Europe's star-mapping Gaia space observatory has entered its retirement orbit, after gathering valuable cosmic data for more than a decade.

Astronomers have discovered two new exoplanets that are similar to other worlds found in the Milky Way, but unlike any in our own solar system.

Sabine Wren's Force FX lightsaber is a huge 55% off for Amazon's Big Spring Sale and it's the lowest price we've ever seen it, better than half price.

If you need something done, do it yourselves.

The Space Launch System (SLS) core stage and rocket boosters have now been stood up and mated in preparation for NASA's Artemis 2 moon mission.

Here's how to watch all the partial solar eclipse action unfold live online.

Blue Origin has announced an April 14 liftoff date for its star-studded, all-female NS-31 mission launching on its New Shepard rocket.

Astrophysicist and artist Ed Belbruno explains how art helps scientists communicate their work to the public and even discover solutions to spaceflight and astronomy problems.

Solar Cycle 25 has surpassed its predecessor — but is the end in sight?

Just how rare are planetary alignments?

Dark energy may have a completely unknown aspect of physics acting as an accomplice in its efforts to defy gravity, suppressing the growth of large-scale structures like galaxy superclusters.

SpaceX launched a stack of Starlink internet satellites to orbit from California and returned a booster to Earth Friday afternoon (March 26).

The nova is ignited when a "vampirific" white dwarf steals too much matter from a companion star.

Observers across eastern North America and much of Europe will have front-row seats to the striking partial solar eclipse on March 29. Here's what to expect.

John Scalzi cased out the Armstrong Museum before writing "When the Moon Hits Your Eye." The author may have been confused of planning a heist given the way he eyed an Apollo 11 moon rock on display.

The James Webb Space Telescope has captured bright aurora activity on Neptune for the first time.