We already know a decent amount about how planets form, but moon formation is another process entirely, and one we're not as familiar with. Scientists think they understand how the most important moon ...

A new finding of ammonia on the icy surface of Jupiter's moon Europa could have important implications for the search for extraterrestrial life.

Add Yahoo as a preferred source to see more of our stories on Google. On Dec. 28, 2000, NASA’s Galileo spacecraft discovered auroras on Ganymede, Jupiter’s largest moon. Galileo launched in 1989 on a ...

Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — which could make it hard for nutrients to get down to its buried ocean.

There’s no mistaking Jupiter in the sky these Pottsville winter evenings, rising in the southeast as evening twilight ends. In fact you should be able to easily see it long before twilight fades.

LOS ANGELES -- NASA's Galileo spacecraft was set to make its last flyby of one of Jupiter's moons early today, marking the likely end of the science-gathering part of its 13-year mission. Galileo was ...

On this date, Jan. 7, 1610, astronomer Galileo Galilei, with a homemade telescope, noticed three points of light near Jupiter. Initially believing they were distant stars, Galileo’s repeated ...

Astronomers have found 12 more moons orbiting the planet Jupiter. These moons are all small — just 5 kilometers or less across — and one of... Galileo Would Be Stunned: Jupiter Now Has 79 Moons More ...

Jupiter's four Galilean moons will line up in front of Jupiter in the early morning sky on Aug. 8. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works ...