In August, astronomers can observe three prominent star clusters: Hercules, Pleiades, and Hyades. These clusters, comprising ...

Star clusters are groups of stars that formed together and remain bound by their mutual gravity. They mainly come in two ...

The bright stars Castor and Pollux will be positioned to the left of the moon in the early morning hours of Aug. 19. Mercury, meanwhile, will be visible close to the horizon, but will swiftly become ...

Mark your calendar so you can catch Mercury, Venus, Jupiter, Saturn, Neptune and Uranus in the sky at the same time.