Scientists warn humanity that the first contact with an alien civilisation may be loud, chaotic and extreme, potentially ...

A new study published in the journal Astrophysical has outlined a novel method that could be used to detect advanced alien civilizations remotely. The premise is to look for signs of nuclear fusion on ...

For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...

There's the invasion by a warlike species, there's the highly evolved species trying to communicate with our primitive ...

Scientists suggest the first alien signal we detect could be a desperate cry for help from a fading civilization.

A groundbreaking new study, published in The Astrophysical Journal Lettersand conducted by researchers at Penn State University and NASA’s Jet Propulsion Laboratory (JPL), reveals that Earth may be ...

Technosignatures are theoretical signs of technologically advanced alien civilizations, but so far, none of those civilizations have phoned home. Researchers from the Search for ExtraTerrestrial ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

The U.S. military is developing portable UFO detection kits to collect better data on reports of sightings as the Pentagon says there is no evidence of alien technology found in any government ...