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

Four tiny specks of light close by the giant planet are the biggest of the Jupiter’s 95 moons, Nigel Henbest writes ...

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

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

Earth will be between the sun and Jupiter, with the Giant Planet slightly closer, brighter and larger than at any other time ...

(CN) — We may not have to go far in our search for extraterrestrial life: Researchers at NASA have uncovered new data that life may have the potential to exist in the oceans of Jupiter’s moon Europa .

The winter stars are like that. They're bright, sparkly and arrive "from a distance" low on the eastern horizon and gradually ...

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

"That very bright "star" in the eastern sky after sunset? It's actually the planet Jupiter. With a small telescope, ...

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

If conditions are clear, anyone with a pair of binoculars or a telescope may even be able to pick out details, such as Jupiter’s four largest moons — Ganymede, Callisto, Io and Europa. The four ...