As many as 400 volcanoes are erupting on the surface of Jupiter's innermost moon Io, with virtually every square inch of the ...

German astronomer Simon Marius is best remembered for his disputes with Galileo Galilei over priority for discovering Jupiter ...

As the largest planet in our Solar System, Jupiter's grandeur is visible to the naked eye and through simple telescopes, ...

Jupiter will be at its brightest all year on Saturday, Dec. 7. Break out your binoculars for a chance at spotting its four ...

Transits, occultations, eclipses, and shadow transits of the jovian moons are perfect events for telescopic viewing.

Jupiter will rise opposite the sun this weekend, making the gas giant appear even brighter and larger in our sky.

Earth will align between the Sun and Jupiter, creating a rare astronomical event known as Jupiters opposition.

December offers a celestial treat with Venus shining as the "Evening Star" and Jupiter at its brightest during opposition.

Weather permitting, Jupiter will not only be brighter than most other stars and planets in the evening sky, but will also be ...

Europa Clipper will get up close and personal with the icy Galilean moon Europa that may be hiding an ocean under its crust. Jupiter is named for the Roman king of the gods. It will be a crown ...