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.

A new line of research proposes that the first clear signs of extraterrestrial intelligence may not come from distant stars, ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new paper. Reading time 3 minutes In our search for life beyond Earth, we might ...

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The Pentagon's latest declassified UAP files, including eyewitness videos and historical documents, have reignited interest ...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

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 ...

Our search for technosignatures—clear signs of advanced civilizations beyond Earth—takes many forms. Many are driven by the famous Drake equation, which attempts to estimate how many technological ...

Later this year, a prototype telescope is slated to land on the moon. It could usher in a new era of lunar radio astronomy.

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 ...