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.

Stunning space photo captures bright blue shock wave around double star system. Story by Miguel Claro ... they become invisible due to a lack of ultraviolet light emitted by the stars that created ...

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 ...

However, the Moon is about to eclipse a bright blue star cluster in the night sky this week, ... around 440 light years away from Earth, according to the Royal Observatory Greenwich.

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 ...