Does our Solar System have 9 planets or only 8? Astronomers have gone back and forth on that a lot, with Pluto now being classified as a dwarf planet. However, out beyond Neptune there could be ...

The rocket-powered Gracie will conduct five hops during its short lunar stay, including one into the depths of a shadowy ...

Wolf 359’s extreme radiation and frequent X-ray flares make life-sustaining atmospheres on nearby planets highly unlikely, ...

Searles Lake has long been shaped by shifting water levels, volcanic minerals, and evaporite formation. In 2024, satellites ...

The powerful Webb with its incredible sensitivity observed dust grains the size of bacteria, which will eventually coalesce ...

This week sees a special stargazing event, as as up to six planets will be visible in a line in the night sky.

Lunar Trailblazer is part of a growing list of probes and landers heading toward the moon to search for water ice.