The universe's first galaxies were hot messes, according to a recent study. During their younger days, they were wild, chaotic bundles of turbulent gas, churned up by huge gulps of intergalactic gas, ...

The Leonid meteor shower returns this November, promising a display of swift, bright celestial body for stargazers across the ...

Skywatchers across the Northern Hemisphere have caught a fleeting glimpse of Mercury as it made one of its final visible ...

One of those ground-based telescopes is the Rubin Observatory, named after famed astronomer Vera Rubin. Unlike other ...