Shows the forms of life within the Galactic Federation, an area of interstellar space nearly six hundred light years across

Harvard's top astronomer lays out his controversial theory that our solar system was recently visited by advanced alien technology from a distant star

3, 2, 1...blast off! Are you ready to journey out of this world to discover what lies beyond? From space pirates and surfing aliens to galactic shark ships and

A 'cultural history' of the alien phenomenon, this book looks at our fascination with all things alien, as well as explaining what this says about us in the pos

Did life on Earth arrive on a meteorite from outer space? Are there living beings on planets beyond our solar system? If they are out there, what might these al