"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.

After former President Obama lit up the internet speculating that aliens probably exist, tonight, President Trump says he’s ordering the release of all government information on aliens and UFOs. NBC ...

Add Yahoo as a preferred source to see more of our stories on Google. President Trump on Thursday directed his administration to release files on UFOs and any "alien and extraterrestrial life," an ...

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, ...

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 ...

Plus, a pardoned crypto king visits Mar-a-Lago and Trump’s advisers are struggling to get him to focus on the economy Damian Paletta ...

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 ...