Even as Hollywood still drives how Americans envision little green men with big eyes and bigger heads, fiction soon could be ...

Explore the UFO mysteries J. Allen Hynek uncovered with Project Blue Book and how his findings challenged the Air Force's ...

The first-ever published research on Tinshemet Cave reveals that Neanderthals and Homo sapiens in the mid-Middle Paleolithic ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.