Stargazers in the U.S. will see Jupiter rise above the eastern horizon roughly two hours before sunrise on Aug. 8, with Venus visible as a bright morning "star" less than 5 degree ...

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

On August 10, six planets — Mercury, Venus, Jupiter, Saturn, Uranus, and Neptune — will line up in an arc in the night sky.

Look east around 4 a.m. local time, just before dawn, to see the slender form of the crescent moon climb above the horizon.

August brings Saturn and Neptune together, offers two shadow transits of Titan, and sees a conjunction of Venus and Jupiter.

On the early morning of August 8, Jupiter's four largest moons will align, offering a spectacular view for stargazers in the U.S.

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The International Astronomical Union officially recognized 128 new moons ...

One of the brightest stars in the night sky seems to be orbited by a planet like Jupiter. The news is sure to cheer fans of the Avatar series, which centers on a moon that orbits a fictional gas giant ...

Jupiter contains a whopping 95 known moons, including the fascinating world Europa, which harbors an icy ocean beneath its cracked shell. With binoculars or a telescope, you can often spot ...