A civilization capable of interstellar travel may also be one that has moved beyond conquest, excess and ecological ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?

Oxygen has been the most important gas in our search for life among the cosmos thus far. On Earth, we have it in abundance ...

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

The filmmaker weighed in on aliens and his career during a keynote appearance at South by Southwest Film & TV Festival on Friday: "I never want to quit." ...

New research shows many people vastly underestimate other people's beliefs in extraterrestrial life. Is social stigma keeping ...

With 'Disclosure Day' on the horizon, Spielberg wants everyone to know he's real believer when it comes to aliens.

A half-century after he last made a film on the subject, Steven Spielberg is coming clean about where he stands on ...

A viral podcast moment last month reignited speculation about extraterrestrials and prompted President Donald Trump’s commitment to kickstarting the release of government files on flying saucers. But ...

A new study challenges the traditional boundaries of the habitable zone, showing that liquid water could exist on the dark ...

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...