extraterrestrials

Harvard Scientists Say There May Be an Unknown, Technologically Advanced Civilization Hiding on Earth

Study: There May Be as Many as Four Evil Civilizations in Our Galaxy

The Scariest Messages We Could Detect From Aliens, According to the Internet

Former Pentagon Officials Say Family of UFO Investigator Reported Creature Peering into Their House

Harvard Prof: Deep Space Signal May Be From Alien Civilization

NASA Is Looking For New Ways to Detect Alien Technology

You're Not Crazy if You Believe in UFOs. Let's Discuss in Scientific Terms.

Oxford Biologists Outline What Alien Life Looks Like

Here’s Our Plan If We Meet Aliens