The distant planet Neptune stands still against the background stars of Pisces in the early-morning sky, still visible close ...

Explore the warped spiral galaxy NGC 3718 and its neighbor NGC 3729 — a dynamic duo of deep-sky oddities in the constellation ...

Newfound interstellar object 3I/ATLAS may be carrying pristine material from early in the Milky Way’s star-forming history.

By studying what makes the Milky Way unique, astronomers are hoping to understand our galaxy’s past and unravel the mystery ...

A supernova explosion occurred on July 4, 1054, resulting from the death of a star estimated to be nine to eleven times the ...