"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 ...

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.

Following former President Barack Obama’s recent comment to a podcaster that aliens are real, but he hasn’t seen them, President Donald Trump announced that he’s directing top officials to begin ...

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 ...

President Trump had lashed out at former President Barack Obama earlier Thursday for telling a podcaster that aliens were real. By Chris Cameron Reporting from Washington President Trump said on ...

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 ...

President Trump on Thursday accused former President Obama of revealing classified information when weighing in on whether extraterrestrial life existed. “Barack Obama said that aliens are real. Have ...