What if you found out that you had a long-lost relative? And what if that long-lost relative was from a different planet in ...

Attention human. You are receiving an interstellar radio transmission. And it could be coming from one of the nearest ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself ...

I don’t know how likely extraterrestrial life might be. But no matter what, the truth of Christianity will stand. This is how strange our times are: Last week, two United States presidents engaged the ...

In a world easily startled by sensationalism, Tyson offers a cool, gentle voice of reason amid the unchecked fascination with alien visitation.

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts ...

It is often suggested that this may have already happened: alien technosignatures may have reached Earth during the past six decades but have gone unnoticed. If that is true, it suggests that more ...