The team still can't confidently rule out the existence of Europa's water vapor, especially as similar plumes have been more ...

Neptune has a complicated life story, and its moon Nereid might be the only one left standing from the planet’s ...

Ganymede and Europa transit Jupiter tonight, while Io disappears in an occultation. West Coast observers can catch a double ...

Neptune’s third-largest moon, Nereid, could be an intact survivor from the planet’s original satellite system, upending ...

Looking back at 14 years of Hubble telescope data for Jupiter's moon Europa has given Southwest Research Institute (SwRI) ...

Over the next few evenings, Luna will slowly climb through the twilight sky and drift past Venus and Jupiter, as both ...

The extended mission will continue until the spacecraft dies. Though Juno will eventually fall toward Jupiter as its trajectory degrades, NASA says it poses no risk of crashing into or contaminating ...

NASA's Juno spacecraft has snuck a peek at one of Jupiter's largest inner moons. During a close flyby, the spacecraft got a look at Jupiter's moon Thebe from just 3,100 miles (5,000 kilometers) away.

May will play host to one of the most interesting lunar events of 2026, beginning Friday night: two full moons. The rare pair will bookend the month, with the first full moon arriving Friday, the ...

The Flower Moon will light up the night sky on the first day of May, which marks the midpoint between summer and spring. May's full moon, known as the Flower Moon, will peak on Friday, May 1. The ...