We may be missing alien radio signals because they have become smeared beyond the narrowband detectors that SETI utilizes, a new study suggests.

A viral podcast moment last month reignited speculation about extraterrestrials and prompted President Donald Trump’s commitment to kickstarting the release of government files on flying saucers. But ...

Homeland Security veterans praise border security gains but worry that Trump’s mass deportation plans will erode trust and ...

According to a new study, any alien civilizations out there? Probably short-lived — and doomed to fail spectacularly. For ...

What: SETI Institute Artists-in-Residence present Exoplanetary Poetry, an art-science collaboration that trains artificial intelligence on exoplanet atmospheric chemi ...

A new study published in The Astrophysical Journal argues that “space weather” could be distorting incoming transmissions from extraterrestrials. The paper, penned by researchers at the SETI (Search ...

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures?

DENVER—Last month, President Donald Trump took to social media with an announcement that he would direct the Pentagon and other federal agencies to “begin the process” of disclosing government files ...

SAN FRANCISCO (AP) — After the bombing of Pearl Harbor, second-generation Japanese American soldiers signed up to fight for the United States in World War II even as their families were locked up in ...

A new psychedelic retreat calling itself a “SETI for the mind” aims to establish two-way communication with the nonhuman entities people encounter while tripping on DMT.

Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed ...