Brush up on these Earth Day facts for April 22. E arth is a planet with an abundance of natural beauty. The luscious green ...

New version: Voyager pictured Earth as "a mote of dust suspended in a sunbeam" It is unquestionably one of the greatest space images ever. The "Pale Blue Dot" picture of Planet Earth was acquired ...

Watch this video to find out more about the Earth, planets in our Solar System and other planets far off in outer space. From up here on the International Space Station I get a great view of Earth.