Before departure, Neil Armstrong and Buzz Aldrin raised the American flag on the moon, an image that demonstrated American ...

NASA's Europa Clipper probe is finally on its way to the icy ocean moon of Jupiter, but it's going to take some time to get there — about six years. Fortunately, we don't have to wait that long ...

On Oct. 14, NASA's Europa Clipper spacecraft began a vital mission. It will be investigating the potential habitability of Jupiter's icy ocean moon Europa — but first, it has to get there.

Jupiter’s icy moon, Europa, will do something astonishing this month. The moon will pass in front of a distant star later this month, obscuring the light of a distant star from Earth’s view.