Looking for a sky event this week? Check out our full Sky This Week column. February 6: Cancer's other open cluster Jupiter ...

Add Yahoo as a preferred source to see more of our stories on Google. Jupiter's moon Ganymede may have 'club sandwich' layers of ocean By Will Dunham WASHINGTON (Reuters) - As club sandwiches go, this ...

Looking for a sky event this week? Check out our full Sky This Week column. February 7: Ganymede disappears Tonight, the icy moon Europa passes in front of Jupiter in a transit, bringing with it its ...

Sky This Week is brought to you in part by Celestron. Friday, February 6The bright star Sirius dominates the southern sky ...

It was the closest spacecraft encounter with Ganymede since May 2000. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The photos from a historic ...

NASA's Juno deep-space probe has sent back the first close-up images of Jupiter's largest moon, Ganymede, to be captured in two decades. Snapped during Juno's flyby of the giant moon on June 7, the ...

Scientists have a new map -- the best created so far -- of the largest moon in our solar system, Ganymede, and it is both beautiful and revealing. Ganymede is technically a satellite of Jupiter, but ...