Euclid, a European space telescope, just captured 26 million galaxies to reveal the secrets of the dark universe.

Frozen fuel from the Falcon 9 rocket launched Monday created a luminous display for several minutes, and was seen by people from England to Eastern Europe.

The Blaze Star, T Coronae Borealis, may erupt in a dazzling nova this year, briefly becoming visible to the naked eye for the ...

A huge sun eruption combines with speedy solar wind from a "coronal hole" for a weekend aurora show, experts predict.

DESI's first dataset maps 18.7 million celestial objects, aiding dark energy, galaxy, and universe expansion studies.

The American Meteor Society adds that the Lyrids usually lack persistent trains but can produce "fireballs." A fireball "is ...