Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

Disclosing government documents about UFOs won't mean much without hard physical evidence for alien spaceships or alien bodies.

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

President Donald Trump has promised to declassify top-secret alien files and UFO documents. Here is what the Pentagon has ...

On Thursday the U.S. president ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...

Add Yahoo as a preferred source to see more of our stories on Google. While the buzzy sci-fi series is science fiction (obviously), Dr. Sward says there's plenty of real science peppered throughout.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Rod Pyle, Editor in Chief of Ad Astra ...

The most beloved beings from strange new worlds.

Former President Barack Obama said he did not see evidence that aliens “have made contact with us,” after sending social ...