From insects to the moon, people have mistaken very Earthly phenomena for UFOs many times.

Alien civilizations may have left traces. We just may not have been looking in the right place.

Moon dust may be hiding signs of pulverised alien technology, scientist says - Grain-sized remnants of alien technology may ...

NASA's vision of building a moon base has begun to take shape. Here's what to know ahead of the latest update coming today ...

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

The Pentagon's latest declassified UAP files, including eyewitness videos and historical documents, have reignited interest ...

The contracts ​for Firefly and Intuitive ‌Machines ⁠each involve sending another one of their landers to ​the moon.

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

On a clear night, the sky may seem peaceful and empty. Yet beyond the stars visible to our eyes lies a universe so vast that it is difficult to imagine. Our gal ...

The Pentagon on Friday released a third batch of vintage classified files related to “flying saucers” and other unidentified anomalous phenomena — better known to most Americans as unidentified flying ...

The recent discovery of an enigmatic substance on the surfaces of both Titan, Saturn’s largest moon, and Pluto, our solar ...