Saturn has 128 more moons than astronomers previously thought - The sixth planet from the Sun now has a grand total of 274 ...

Jupiter has four large moons – Io, Europa, Ganymede and Callisto – with diameters of more than 3000 kilometres. However, as of April 2023, we know it is also home to 91 additional small satellites.

These pinpricks of light are actually Jupiter's four largest moons, now known as the Galilean moons: Io, Europa, Ganymede, and Callisto. Many of these celestial orbs are as remarkable as Jupiter ...

In March and April 2025, internet users shared a striking image that they claimed showed "Steeple Mountain," a massive point ...

Mars and the moon will also be in conjunction tonight. If you're lucky enough to have clear skies tonight, you can catch a ...

"Through this workshop, we developed a prioritized list of solar system targets for sample return ... insight into planetary formation and evolution, specifically Jupiter and its moons. Therefore, ...

If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. The European Space Agency is preparing a spacecraft to embark on an eight-year-long ...

When it comes to places to search for life, Io hasn’t really been at the top of the list. Other moons of Jupiter, like Europa and Ganymede, have been considered far more likely candidates.

But centuries ago the first telescopic observations of other planets revealed that many have moons as well; Jupiter has four giant, easily seen satellites, and Saturn has several that are visible ...

Io is an incredibly active and extreme place, with glistening lava lakes and volcanic eruptions shooting sulfur and magma to ...