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 ...

At SXSW, Steven Spielberg shares his views on aliens and UFOs, speaks about “Disclosure Day,” and backs the power of the ...

The molten planet, with an atmosphere rich in sulfur-bearing gases, is unlike anything astronomers have ever smelled.

Astronomers have spotted a planet orbiting a star in our neighborhood of the Milky Way galaxy that presents a unique ...

Alien invasions are terrifying to think about, but cool to watch on TV. These are the 10 best shows you can watch about that unlikely occurrence, ranked.

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 ...

Wright-Patterson has played a central role in the US military’s real investigations into mysterious objects in the sky — from Cold War-era research programs to efforts to study what the government now ...

At SXSW, Steven Spielberg shared his belief in extraterrestrial life, reflected on “E.T.” and warned against AI replacing ...

Steven Spielberg discussed his new film 'Disclosure Day,' a Western he has in development and the existence of alien life in ...

In a talk at South by Southwest, Steven Spielberg revealed his own thoughts about the existence of space aliens while discussing his upcoming "Disclosure Day." ...