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

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

Science over sensationalism: Tyson says the latest UFO file release offers no new proof of alien visits but is a chance to ...

If an alien civilization is millions of years ahead of us, their technology would be so advanced it would be completely indistinguishable from magic.

We are now a species emotionally committed to customizing reality itself. Facts are no longer facts. Truth is no longer truth ...

The Expanse creators reveal why it might take a while before fans get to watch their next Prime Video sci-fi show.

The Toba supereruption 74,000 years ago was so massive it may have plunged Earth into years of darkness and cold, leading some scientists to believe humanity nearly went extinct. Yet archaeological ...

Is it possible that another civilization existed before us? That's the question posited by the Silurian Hypothesis.

If you loved watching Ryland Grace MacGyver his way through impossible problems in space, you need to meet Mark Watney. He's ...

And when people are convinced that they know a secret, world-shaking truth, they are willing to wait a long time for ...

Neil deGrasse Tyson is an astrophysicist who is the director of the Hayden Planetarium at the American Museum of Natural ...

The sci-fi thriller “Hole in the Sky” imagines an alien first-contact scenario set in the heart of Cherokee Nation.