Sunspot AR3842 erupted with an X7.1-class solar flare. NASA models predict that the coronal mass ejection created by the ...

It's no surprise that space is massive, but even getting to the furthest planet from Earth within our own solar system would ...

Starliner astronauts got a much longer stay at ISS. SpaceX caught a rocket booster. Here's a look back at the most pivotal ...

Composite images reveal how the sun's corona changed from one total solar eclipse to another in 2023 and 2024, just as solar ...

NASA and ESA’s Hubble Space Telescope has been observing the outer planets through a program called OPAL (Outer Planet ...

December's full cold moon and Geminids meteor shower overlap this weekend, peaking early Saturday and Sunday morning.

New research on Ceres reveals hidden organic materials, suggesting subsurface reservoirs and internal energy sources.

Observations made of Jupiter’s moon Io during the Juno mission’s flybys helped astronomers confirm how and why Io became the ...

Researchers from the Juno mission have finally solved a mystery that has puzzled scientists for over four decades.

Stargazers should be on the lookout all week long as some meteors could be spotted before the Geminids reach their peak.

NASA on Friday issued updates to its "Moon to Mars architecture," its exploration approach which includes Artemis missions to ...