"The idea that aliens might visit our planet has gripped Earthlings for a long time. Extraterrestrials are popular in science fiction books, movies, and TV show

Discover everything about aliens in this funny and informative handbook packed with weird science, fascinating history, and plenty of trivia—perfect for curio

Unidentified flying objects could be so many things, from military aircraft, to tricks of the light, to weather phenomena. But what we really want to know is: a

"Examines the facts and fiction behind UFO sightings"--

Stories of alien encounters and mysterious objects in the sky have fascinated humans for years. But do beings from other worlds really exist? Take a look at the