Whether you're a seasoned stargazer or a backyard observer with binoculars, the final week of May offers a treasure trove of celestial events.

A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow up 2,000 Earths.

Scientific American spoke with the astronomer who has contributed to the discovery of two thirds of Saturn’s known moons ...

Stunning new Jupiter photos from NASA’s Juno spacecraft reveal storms, cloud bands, and its volcanic moon Io as the mission ...

Our satellite is a little off-balance. GRAIL data show a mass asymmetry of a few percent between its near and far sides.

Understanding Jupiter's early evolution helps illuminate the broader story of how our solar system developed its distinct ...

With further development, LUPIN has the potential to function like Google Maps for users in the Moon, including rovers and astronauts.

NASA’s GRAIL mission reveals thermal differences in the moon’s mantle, explaining surface contrasts between its sides.

Scientists have uncovered fascinating new details about the internal structures of both the moon and the asteroid Vesta using ...

Europa Clipper tested its infrared camera during a Mars flyby, preparing for its 2030 mission to Jupiter’s moon Europa.

An exhaustive examination of lunar gravity using data obtained by two NASA robotic spacecraft is offering new clues about why ...

NASA scientists said Wednesday that they’ve unearthed new secrets about the moon. Specifically, they’ve gotten a better look ...