Artemis I moon rocket fueling test complete after NASA engineers overcome hydrogen leak

During the test, NASA attempted a "kinder and gentler" approach using lower pressure to fill the 322-foot-tall SLS rocket with thousands of gallons of cryogenic fuel.

NASA's James Webb Space Telescope captures dazzling images of Neptune's rings, moons

NASA's powerful James Webb Space Telescope has released stunning new images of Neptune and its rings, as well as seven of the planet's 14 known moons. Researchers say it's the clearest view of Neptune's rings since the Voyager 2 flyby in 1989.

NASA's Mars Perseverance rover finds diversity, hints of microbial life in ancient lake bed rocks

NASA's Perseverance rover has spent 1.5 years on Mars exploring an ancient lake bed. Scientists say several rock samples collected on Mars have organic molecules associated with life. A follow-up mission will pick up these samples from Perseverance in 2030.

Images from asteroid-smashing DART mission expected to be 'stunning'

NASA is two weeks away from intentionally crashing a spacecraft into an asteroid, and scientists believe the visuals sent back from the impact will be worth the wait.

Blue Origin capsule blasts away from failing rocket during dramatic in-flight abort

Space tourism company Blue Origin had an unexpected test of its rocket’s in-flight abort system during a Monday morning launch, though no people were onboard at the time.

September's harvest moon: What to know

The next full moon is the harvest moon. Stargazers can see it, appearing opposite the sun in Earth-based longitude, at 5:59 a.m. ET on Saturday morning.

NASA hoping for late-September launch if Artemis I moon rocket is fixed in time

NASA leaders are hopeful they can launch the Artemis 1 mission before the end of September. However, the Space Launch System rocket must first undergo repairs, and the U.S. Space Force would need to approve.

From deep sea to outer space, tourism is now reaching the ends of the Earth

The most mysterious realms of Earth and space are becoming more accessible to the average human. Or, at least, the average human with tens of thousands of extra dollars.

Artemis 1 countdown resumes for Saturday launch; weather forecast improves

All eyes are on Florida's Space Coast to see history in the making Saturday as NASA attempts to launch a mega moon rocket on a 37-day mission that will orbit the moon and return back to Earth.

Newly discovered 'super-Earth' exoplanet could be 'water world'

While the planet may be nearly double the size of Earth, initial observations and calculations indicate the planet is five times denser -- which could be consistent with a surface covered in a very deep ocean.