The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

According to popular media, the search for alien life involves advanced technology, space exploration and sometimes even government conspiracies and secret programs. But according to University of ...

Signals from a distant world have pushed the search for alien life out of science fiction and into the realm of testable ...

A new study used mathematical formulas and demonstrated that it’s highly unlikely life began on Earth. Instead, the researcher points to panspermia, a theory that life or the ingredients for life came ...

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

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