Oceans hiding within the crusts of distant moons are tantalizing targets for scientists looking for life beyond Earth ...

An eye-catching pattern on the surface of Europa, an ice-covered moon, may have profound implications for our understanding ...

On the cracked ice of Jupiter’s moon Europa, a sprawling pattern of dark lines has taken on an unsettling nickname: a “demon” ...

The Jovian moons Io and Europa will throw their shadows over Jupiter's cloud surface in the early hours of Nov. 5. When you purchase through links on our site, we may earn an affiliate commission.

On July 6, 1938, an American astronomer named Seth Barnes Nicholson discovered Jupiter's moon Lysithea. Nicholson spotted Lysithea from Mount Wilson Observatory in California, where he had previously ...

In a landmark observation by a team of international researchers, NASA's Juno spacecraft has, for the first time, clearly detected the auroras of Jupiter's moon Callisto. This discovery completes the ...

A new study reveals the likely origin of a mysterious spider-like pattern first spotted on Jupiter's moon Europa in 1998. The ...

The predawn hours of Aug. 8 present a perfect opportunity to see Jupiter's four largest moons line up next to the "King of the Planets" as it voyages through the stars of the constellation Gemini.

Future observations by NASA’s Europa Clipper mission could offer new insights into Europa’s subsurface oceans and potential habitability.

The ocean on Ganymede may have more water than all the water on Earth. In this artist’s concept, the moon Ganymede orbits the giant planet Jupiter. NASA’s Hubble Space Telescope observed aurorae on ...

Scientists have explored a strange, spider-like scar on Jupiter's icy moon Europa, suggesting the feature might have formed from briny water eruptions beneath the moon's ice. NASA's Galileo spacecraft ...