The “ring of fire” eclipse of 2024 was a spectacular celestial event — and Dave Eicher saw it from an equally spectacular setting.

Venus shines bright after sunset, the giant planets rise before midnight, and Mars shines before dawn. Plus, catch Comet ...

NASA researchers have uncovered how plumes of material spout every spring across the Red Planet’s surface as ice is warmed ...

Sharpen your eye and build your knowledge of clusters, nebulae, galaxies, and more with this list of popular objects for ...

Although beset by launch delays, the project — which aims to rival SpaceX's Falcon 9 — is moving steadily toward launch.

Photographers around the world are capturing stunning views of C/2023 A3 (Tsuchinshan-ATLAS), the best comet this year.

Comet Tsuchinshan-ATLAS reaches perihelion, Venus is a bright evening star, and the New Moon passes in front of the Sun in ...

Although still difficult to see, 2024's best comet is nearing the Sun and getting brighter. Here's how to see it.

An issue called the final parsec problem detailed the theoretical difficulty in bringing supermassive black holes close ...

Astronomers comparing data taken by Dawn with models of Ceres on Earth determined that organics on its surface came from ...

Most CubeSats weigh less than a bowling ball, but the impact these instruments are having on space exploration is gigantic.

JWST discovers that accreting black holes may be to blame for reports that hinted early galaxies were too big for their ...