Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

President Trump directed his administration to release files on UFOs and any "alien and extraterrestrial life," an issue that has drawn decades of fascination — and spawned more than a few wild ...

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

Under Mr Trump's direct order issued two weeks ago, Secretary of War Pete Hegseth has been tasked with releasing 'files ...

Former U.S. President Barack Obama has clarified comments he made about alien life on a podcast over the weekend.

Answers to some of those questions could finally become public after President Trump's call last week for the release of ...

Add Yahoo as a preferred source to see more of our stories on Google. Former U.S. President Barack Obama has clarified comments he made about alien life on a podcast over the weekend. He said he did ...

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 ...

President Donald Trump said Thursday that he’s directing the Pentagon and other government agencies to identify and release ...

The latest discovery may stand as the most compelling clue humanity has ever had that we are not ...