This is Saturn's third-largest moon ... and as it orbits very close to the planet it completes three orbits in one day. This moon is constantly bombarded with meteors which has led to a dust ...

How many moons does Jupiter have? Scientists have discovered dozens of them, but the answer may be more complicated than it seems.

Surface features of Uranus' icy moon Miranda point to the existence of a once deep ocean, one that still may exist today.

The Cassini orbiter, a collaborative mission by NASA, ESA, and ASI, provided us with a stunning legacy of Saturn and its intricate system of rings and moons.

But that’s for a different reason: a fainter star periodically orbits in front of Algol itself ... Grab a telescope to view ...

In 1781, German-born British astronomer William Herschel made Uranus the first planet discovered with the aid of a telescope.

A team of astronomers has uncovered an Earth-like planet orbiting a star located 4,000 light years away from the solar system ...

You may need binoculars or a telescope for this one. It includes the three furthest planets in our solar system.

As the moon orbits Earth, it charts an elliptical path ... Four will be visible in the evening hours—Venus, Saturn, Jupiter and Mars—with the last one, Mars, rising at 11:22 p.m. Eastern ...

What an autumn it’s been for stargazing all around the world! Between the frequent Aurora and Comet Tsuchinshan-Atlas and all ...

Astronomers have discovered a rocky Earth-like planet around a white dwarf star, hinting at our planet's future about eight billion years from now.