Aristotle's views on the nature of the cosmos dominated the Ancient Greek world. He argued that there's only one world, at ...

Steven ​Spielberg described his 1977 UFO film "Close Encounters of the Third Kind" as ‌his own "speculation" about ...

A research team has developed a new approach to detecting life beyond Earth that does not rely on identifying specific ...

From lava tubes on Mars to ice pockets on Europa, subterranean environments may offer the best chance of finding life—and living safely—beyond our planet. “I was like, ‘OK, I'm pretty sure that ...

I thought about the interstellar visitor as my daughter, wife, and I took turns dragging his wandering monster truck balloon ...

The subject of UFOs and aliens is vast and complex, making it impossible to summarize in one article. Flying saucers/UFOs made headline news throughout the world in 1947, sparked by two major, highly ...

Explore the UFO mysteries J. Allen Hynek uncovered with Project Blue Book and how his findings challenged the Air Force's ...

The sci-fi genre has been home to some incredible movies about war -- usually with invaders from space -- and these five are ...

Comet 41P/Tuttle-Giacobini-Kresak has begun acting a little unusually, but there are likely natural explanations before we go ...

The universe is at it again; scientists have been baffled by a discovery that turns all the knowledge they have on planetary ...

It’s like hearing a voice in a stadium, except the stadium is a thousand square miles of desert,” a source briefed on the ...

Discover how Rocky, the faceless alien from 'Project Hail Mary,' became an emotionally rich character through creative design ...