Space.com provides information on everything Space - satellites, stars, astronomy, the Sun, planets, NASA and more.

An international site that offers email, a forum, communities, videos and weblog space.

Space is the extent within which matter is physically extended and objects and events have positions relative to one another. Physical space is often conceived in three linear ...

A different astronomy and space science related image is featured each day, along with a brief explanation.

Outer space, often simply called space, comprises the relatively empty regions of the universe outside the escape velocities of celestial bodies. Outer space is used to distinguish ...