There are tens of billions of Sun-like stars in the Milky Way, an immense tally that encourages the possibility that extraterrestrial life peppers the universe. Finding evidence for aliens - even ...

An extraterrestrial misunderstanding led to a grave-robbing bonanza at the detriment of valuable Peruvian heritage.

Scientists are sharpening the methods used to search for alien artifacts inside our own solar system, drawing on recent peer-reviewed studies published in The Publications of the Astronomy Society of ...

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