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

Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — ...

Sci-fi fans can rejoice as the Alien franchise's entire collection, including classics and director's cuts, drops on a new ...

Advanced aliens could be chatting with each other using light flashes in plain sight, similar to how fireflies communicate, according to a new study that could lead to new approaches in finding ...

For many fans, the behind-the-scenes strife of Alien 3 is as well-known as its on-screen excess: This is the movie that ...

Comet 41P/Tuttle-Giacobini-Kresak has begun acting a little unusually, but there are likely natural explanations before we go ...

For nearly five decades, Steven Spielberg has helped define what alien stories mean to movie audiences. Sometimes they arrive as cosmic miracles. Sometimes as existential threats. Sometimes as ...