Stargazers in the U.S. will find the waxing gibbous moon above the southwestern horizon as the sun sets on July 3, with Spica ...

A waning crescent moon will creep closer and closer to Spica until the star's light is extinguished in the blink of an eye on the morning of Wednesday, Nov. 27.

Mars and Regulus will light up the night sky in a rare celestial display from the Red planet and icy blue star ...

N79 is a 1,630-light-year-wide region containing three distinct molecular cloud complexes. Captured here by JWST’s Mid-Infrared Instrument (MIRI) is one of those regions, N79 South.

This meant that, feasibly, light from the star that reached Earth during the 1933 fair was emitted around the first time Chicago was home to such a spectacle. (Now, astronomers know Arcturus is 36 ...

It involves a bright planet passing by a large and diffuse star cluster visible with the naked eye. On the evening of June 13, 2023, I went out as twilight faded to observe the conjunction of ...