Celebrate the Fourth with the Fireworks Galaxy, then check out the Demon Star Algol and the Full Buck Moon in the sky this ...

Mercury is the month's highlight, reaching greatest elongation July 4. Also on show in the Southern Hemisphere: Mars, Saturn, ...

July’s predawn sky offers some rare events, providing another reason to get outdoors to enjoy the relatively cool mornings.

July’s predawn sky offers some rare events, providing another reason to get outdoors to enjoy the relatively cool mornings.” ...

A previously unexplored globular cluster glitters with multicolored stars in this NASA Hubble Space Telescope image. Globular ...

NASA's James Webb Space Telescope (JWST) has produced a new image of the Bullet Cluster, which is a titanic collision between ...

Using the Very Large Array (VLA), astronomers have performed radio observations of a galaxy cluster Abell 2744, nicknamed ...

The discovery, made with the LOFAR (LOw Frequency ARray) radio instrument in Europe, indicates that galaxy clusters, which ...

Mercury begins a rapid plunge toward the setting sun. By early July, Mercury is lost in the glare of the sunset. By late July, Mars begins to sink into the ...

Astronomers studying a distant galaxy cluster stumbled upon ancient radio signals that might hold clues to the formation of ...

Buachaille Etive Mòr rises beneath the Beehive Cluster, an open star cluster in the constellation Cancer. With over a thousand stars packed together, it’s one of the brightest clusters visible ...