From meteor showers to visible nebulas, August is primed to be an action-packed month for stargazers in the United States. ...

Wake up early to witness the year's most dazzling planetary pairing as Venus and Jupiter close in for a celestial rendezvous.

Jupiter's four Galilean moons will line up in front of Jupiter in the early morning sky on Aug. 8. The predawn hours of Aug. 8 present a perfect opportunity to see Jupiter's four largest moons line up ...

Plus: The August Full Sturgeon Moon shines, the colorful double star Albireo sparkles, and Mercury reappears in the sky this ...