Mercury is the closest planet to the Sun, and the second-smallest planet in the solar system! It is about the same size as our Moon and their cratered surfaces actually have much in common. Mercury travels around the Sun faster than any other planet....

Mars has always fascinated people. Its red, fiery appearance is mysterious and intriguing. Many sci-fi stories talked about the ancient race of Martians. In fact with new data coming from space probes, a growing number of scientists now believe that...

Venus was long thought of as the Earth's twin. Many believed that it contained a lush, earth-like environment. In reality its harsh conditions restrict our understanding of the nearest neighbor. But little by little scientists are trying to unlock its...

Saturn is a large gas planet. It has the lowest density of any planet in our solar system and would actually float if it was placed in water! The winds in its atmosphere reach speeds up to 1700 kilometers per hour! It is known for its extensive ring...

Let this extraordinary screensaver take you to the deepest part of the magic forest, where the trees resemble chubby goblins and careless fireflies rush around in their night dance. Mysterious creatures move in the dark cloaked by the dense fog and...