Bad news for those hoping interstellar invader 3I/ATLAS is an alien spacecraft as technosignature search turns up empty.

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

Following speculation that comets could have been alien spacecrafts, more and more experts in the field are convinced that ...

Some scientific breakthroughs may be lost to time due to scandal and redaction, while others are simply a case of waiting for ...

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...

Donald Trump may be on the brink of publicly acknowledging the existence of extraterrestrial life, RadarOnline.com can reveal. The president could be poised for astonishing admissions on aliens, ...

Unidentified Anomalous Phenomena (UAP), formerly known as UFOs, have been visiting earth for decades and the U.S. government knows about it. At least that’s the case made in the recently released ...

The truth is out there — and late President George H.W. Bush apparently knew it — telling a federal official that an alien made contact with humans at a secretive New Mexico air base in 1964, ...