The odds of there being another intelligent life form in the Milky Way are pretty good given the billions of stars. But we ...

The search for intelligent alien life goes far beyond listening for simple radio signals. This documentary explores how ...

Scientists explore the Fermi paradox, suggesting that alien civilisations may self-destruct before becoming detectable, ...

Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got ...

K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...

The search for life beyond Earth has always been full of surprises. Strange radio signals have sparked excitement. Odd gases on distant worlds have raised questions. Even ordinary objects have been ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...