Researchers propose turning a future NASA moon base into a quarantine station that would screen space samples before they ever reach Earth.

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

Given the unique importance of a potential UFO visit, confirmation requires a high standard of evidence. Here are simple tips ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

The blockbuster release of Pentagon UFO files under President Donald Trump's push for transparency has triggered widespread ...

Do not shout ‘alien!’” Amid surge of public interest in UFOs or UAP, one group updated its rules for how news of ...

CAPE CANAVERAL, Fla. (AP) — The group leading the charge in the search for extraterrestrial life has given the all clear: An interstellar comet looks to be completely natural and free of any alien ...

The establishment political consensus has long held that it’s impossible to rein in illegal immigration until Congress passes “comprehensive immigration reform.” The Congressional Budget Office has ...

Welcome to a Wednesday edition of Nightcaps! I hope you're having a great week. I know I am. I had my first-ever virtual doctor appointment yesterday. I felt like George Jetson with ...