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

"Our experiments provide clues to better understand JWST Europa observations and serve as a prelude to upcoming close-range ...

Visible on the planet itself is a dark patch near the top, marking the frigid northern polar cap, where temperatures dip to ...

Two new moons have been discovered orbiting Jupiter, bringing the total number of natural satellites orbiting the gas giant ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

Nearby, you'll also be able to spot the bright star Aldebaran, a first-magnitude star that shines with a distinct orange hue ...

Millions of kilometres from Earth, orbiting the giant Jupiter, NASA's Juno spacecraft faced a serious problem. One of its ...

Gliding past the planet Jupiter, the Cassini spacecraft captured this view of active Io, Jupiter's third largest moon, with the gas giant as a backdrop, in 2001.

One of Jupiter’s 95 known moons, Europa is almost the size of our own moon. It’s encased in an ice sheet estimated to be 10 miles to 15 miles or more (15 kilometers to 24 kilometers) thick.