Scientists say the findings of the new study may make future searches for extraterrestrial intelligence faster and more ...

Now, an international team of researchers reports in the journal Science Advances that a short time later, a more than ...

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

Chinese scientists' claims that their "Sky Eye" telescope could have picked up signals from intelligent aliens have been met with skepticism by an American colleague.

For nearly 60 years, scientists have scanned the skies searching for a message from another civilization. Along the way, they ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

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

Astronomers have only previously found atmospheres around exoplanets that are very large or incredibly hot – but now they ...

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

It's the planet most likely to support alien life that we've found ...

That sharp, briny smell is not the salt, it is a gas made by life, breathed out by tiny ocean creatures too small to see. For ...

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