An alien invasion might sound like pure science fiction, but a scientist has now revealed what the terrifying consequences of this encounter might be.

Humanity often ponders the nature of alien life, but rarely considers the inverse: what would extraterrestrials think of us? For theoretical physicist Avi Loeb, the answer is bleak. "If I were looking ...

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 ...

Aliens did not visit Earth in the distant past. They didn't build the pyramids or rule ancient Greece from Mount Olympus or teach Mesoamericans how to plant corn. How do I know? Because they didn't do ...

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 ...

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures? Reading time 3 minutes Assuming aliens do physics like us but are ...

Dr. Tyson is an astrophysicist and the author of “Take Me to Your Leader: Perspectives on Your First Alien Encounter.” See more of our coverage in your search results.Encuentra más de nuestra ...