Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about ...

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

Io, one of the most fascinating moons in our solar system, continues to mystify scientists with its intense volcanic activity and bizarre behavior. This moon, known for its towering volcanoes, ...

NASA have found something new moving in our Solar System. Even thought it's not water, still a phenomenon worth of time ...

At last count, Jupiter has 95 moons, but the four main ones — Ganymede, Callisto, Io and Europa — were discovered in 1610 by famed Italian astronomer Galileo Galilei.

Over the last few years, the term "Goldilocks zone" has come to be widely used to describe the range of distances from a star ...

Jupiter is the largest planet in the solar system and the fifth planet out from the sun, orbiting the sun at a distance of 5.2 astronomical units (1AU equals the average distance from Earth to sun ...

Over the last few years, the term "Goldilocks zone" has come to be widely used to describe the range of distances from a star ...

Over the last few years, the term “Goldilocks Zone” has become widely used to describe the range of distances from a star ...

Jupiter's ice-covered moon Europa will get a lot of heat. Not only will the giant sun be bearing down on it, but Jupiter itself will become hotter and reflect more sunlight, which will provide its ...

The icy surface of Europa, one of Jupiter's moons, has captured scientists' attention. Compounds like carbon dioxide and salt have been detected there, suggesting that an ocean could be hidden beneath ...