On Dec. 28, 2000, NASA’s Galileo spacecraft discovered auroras on Ganymede, Jupiter’s largest moon. Galileo launched in 1989 ...

SCIENTISTS have discovered an unusual formation on Jupiter’s moon – and NASA says it may hold the secret to extraterrestrial ...

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

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

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

Kicking off the year’s cosmic wonders is the moon, drawing the first astronauts to visit in more than 50 years as well as a ...

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 ...

The King of the Planets teams up with an exceedingly narrow crescent moon for the last time this year in the evening sky on May 27. When you purchase through links on our site, we may earn an ...

On Christmas night, Jupiter will be one of the brightest objects in the sky — and a  stand-in for the mythical “Christmas ...

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

A simple guide to the Dec. 25, 2025 night sky, with viewing tips for the moon, bright planets, and familiar winter stars ...