“Mr. Chair, the truth is out there.” That’s what Rep. Nate Davidson, D-Cumberland and Dauphin said during a Tuesday Pa. House ...

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

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth could thus be overlooking prime evidence of alien intelligence.

We could see robots working on NASA's Habitable Worlds Observatory out in space.

For over six decades, the Search for Extraterrestrial Intelligence (SETI) has been tirelessly scanning the cosmos for signs of alien life. Despite its extensive efforts, the universe remains eerily ...

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home ...

Bring up aliens and a lot of people will scoff. But not everyone is laughing. Around the turn of the century, 3.8 million people banded together in a real-time search for aliens — with screensavers.

E.T. could be phoning home — but we’re not hearing the call. A new study published in The Astrophysical Journal argues that “space weather” could be distorting incoming transmissions from ...

One day, probably far off in the very distant future, if astronomers are correct in their assumptions about the vastness of space, Earth will be visited by intelligent beings from another planet.