On August 15, 1977, the Big Ear Radio Telescope in Delaware, Ohio, received the most powerful signal it would ever detect during its decades of observations. The signal lasted just 72 seconds, but ...

In 1977, the first episode of the movie Star Wars series "Episode 4 / New Hope" was a memorable year for SF fans, but it is suspected that it was transmitted by extraterrestrial life form Mysterious ...

In 1977, scientists discovered a mysterious signal beaming from space that was so powerful it prompted astronomer Jerry Ehman to write 'Wow!' on the telescope's readout. For decades, scientists have ...

A mysterious radio signal detected nearly five decades ago and long speculated to be evidence of extraterrestrial life may finally have a natural explanation, according to new research. The so-called ...

A mysterious space signal that has never been explained may have come from an equally mysterious object racing through our solar system. Harvard astrophysicist Avi Loeb, who has continued to theorize ...

The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, yet a growing group of researchers warns that such a moment might arrive not ...

Humans have been searching for signs of alien life for many years. From signals from space to potential sightings of unidentified flying objects (UFOs) in the sky, mankind’s curiosity has sought to ...

With US Congress seeing testimonies from "UFO witnesses" this year, there seems to be more evidence than ever that alien intelligence has made contact attempts here on Earth. But what are the turning ...