Earlier this week, Saturn gained a whopping 128 new official moons, as the International Astronomical Union recognised ...

Firefly’s Blue Ghost Mission 1 set a new benchmark for commercial lunar exploration, lasting longer than any previous private ...

Plus: Observe two stunning spirals, see Venus reappear as a morning star, and enjoy the Last Quarter Moon in the sky this ...

Saturn surpasses Jupiter with 128 newly discovered moons, becoming the planet with the most moons in our solar system.

This image was taken by the Cassini mission. NASA/JPL-Caltech/Space ... Ganymede and Callisto – were the first ever ...

Captured on December 7, 1992, this image was taken by NASA's Galileo spacecraft. 2. Shared by NASA, the image showcases a close-up view of an astronaut's bootprint in the lunar soil during the Apollo ...

The latest analysis of data from the Galileo probe reveals surprising clues about Callisto, one of Jupiter's moons. These discoveries could change our understanding of this icy satellite.

Astronomers have uncovered new evidence that Jupiter’s moon Callisto likely harbors a massive underground ocean, potentially joining Europa and Ganymede as another water-rich world in the outer solar ...

Since Callisto also has an intense ionosphere, the team decided to test their methods on 30-year-old measurements taken by NASA's Galileo mission. That mission launched in 1989 and scanned Jupiter ...