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

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

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

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.