"If a signal gets broadened by its own star's environment, it can slip below our detection thresholds, even if it's there." ...

Ever since physicist Freeman Dyson first proposed the concept in 1960, the "Dyson sphere" has been the holy grail of ...

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...

If you think auroras on Earth are a strange and mesmerizing sight, that's nothing like what occurs on the perplexing world of Uranus.

One obstacle to figuring out why, exactly, parts of the American government have developed a strange fascination with “unidentified aerial phenomena” and “nonhuman intelligence” — in lay terms, ...

Astrobiologists say we could find evidence of microbial life within the next 10–20 years. What does that mean? Where are we looking? Projects, chronology, explained ...

WASHINGTON (AP) — President Donald Trump said Thursday that he’s directing the Pentagon and other government agencies to identify and release files related to extraterrestrials and UFOs because of ...

President Trump on Thursday said he will direct the Department of Defense and other agencies to release its files about UFOs and “alien and extraterrestrial life” to the public. “Based on the ...

Authorities announced Monday that two illegal immigrants were arrested last week in connection with a "violent" home invasion in North Carolina that sent one victim to the hospital. The reported ...

Former President Barack Obama has clarified that during his term, he saw "no evidence" that aliens are real, after declaring the existence of extraterrestrials in a podcast clip that blew up over the ...