A distant 'exomoon' the size of Jupiter is changing how we think about the cosmos.

Add Yahoo as a preferred source to see more of our stories on Google. Researchers say Saturn's largest moon contains enough hydrocarbons to one day refuel spacecraft exploring deep space | ©Image ...

The outer planets of the solar system are swarmed by ice-wrapped moons. Some of these, such as Saturn's moon Enceladus, are known to have oceans of liquid water between the ice shell and the rocky ...

In the far reaches of the solar system, the planetary neighbourhood seems quiet. Beyond Jupiter, the sun is no longer a blazing disc, but a cold, white lamp. The planets are separated by gulfs of ...

Explore 25 crazy facts about our solar system! Uncover mind-blowing phenomena like diamond rain, backward-spinning planets, ...

Far from the Sun’s heat, orbiting the outer planets of the solar system, are moons with oceans of liquid water beneath their frozen surfaces. Keith Cooper finds out how planetary scientists are ...

We have an idea of what the solar system's past was like: It was violent and chaotic. However, we are still studying how violent it was. Current models suggest that at some point after their formation ...

Colonizing the Solar System sounds bold, but every destination brings extreme problems. Mars, Venus, icy moons, asteroids, ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's conception of the exomoon, foreground, with its planet, center, and its star, left —ESO/M. KORNMESSER What has eluded ...