Declassified FBI files detail 1950s claims that aliens viewed humans as the lowest life form, revealing how US agents ...

A declassified FBI memo claims aliens contacted humans and described future landings, but no evidence of extraterrestrial contact has been verified.

Now a former CIA scientist has claimed that the US government secretly knows about at least four different types of alien ...

Long skeptical about the UFO conversation, Neil deGrasse Tyson has weighed in on the debate about extraterrestrial life.

America’s favorite astrophysicist has turned that lifelong fascination into a book, “Take Me to Your Leader: Perspectives on ...

What difference would it make if aliens are real, and what makes life on other planets seem unreasonable? I realize that many ...

We are all philosophers, which simply means we all have opinions and worldviews about almost everything. Since the birth of ...

'Megaprojects' like huge solar farms could be visible from great distances. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. We may already be ...

There is still a certain amount of stigma associated with saying we have seen an unidentified starship, but maybe the more ...

If intelligent life exists beyond Earth, we may be picturing the wrong kind of encounter. Most of us imagine other beings as ...