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

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

Experts analyzed satellite imagery of planetary surface cracks and compared them with Earth's geologic features, searching ...

Scientists have discovered a new form of water called "plastic ice VII" that exists under extreme pressures and temperatures, ...

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

JUNE 11, 1969, is not a date most football fans will remember.Unless, of course, you support Newcastle. A few weeks later, ...

But it hasn't always been this way. Jupiter's four largest moons - Io, Europa, Ganymede and Callisto - were the first ever discovered orbiting another planet. They were spotted by Galileo Galilei more ...

The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.

A huge haul of 128 newfound satellites might be a hint of past collisions in the planet’s orbit, or something else.

Europa is the sixth largest satellite in our Solar System and the smallest of Jupiter’s four Galilean moons. Discovered by ...