SETI has spent decades listening for a sharp, well-defined radio signal that could indicate it was sent by distant intelligent life. Now researchers believe that space weather could distort and blur s ...

"If a signal gets broadened by its own star's environment, it can slip below our detection thresholds, even if it's there." ...

The probability is very high that there are no aliens within detection range of Earth Our radio and TV broadcasts would be detectable only out to about 50 light-years from Earth, unless the aliens ...

In last week’s The Universe column, I fielded a reader’s question about galaxy collisions in an expanding universe. The answer deals with vast distances, inscrutable forces and the ultimate fate of ...

It is often suggested that this may have already happened: alien technosignatures may have reached Earth during the past six decades but have gone unnoticed. If that is true, it suggests that more ...

You don't need a rocket ship to visit another world. Right here on planet Earth, there are bizarre landscapes that defy expectations. They're real places you could visit with nothing more than a plane ...

Long before Sputnik launched, something else may have already been orbiting Earth. Known as the Black Knight Satellite, this mysterious object has sparked theories of alien observation, ancient ...

President Donald Trump said criminal illegal aliens being removed from the U.S. are so violent, they "make the Hells Angels look like the sweetest people on Earth," arguing tougher border enforcement ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Illustration of the Earth-like exoplanet Proxima Centauri b orbiting the star Proxima ...

His 1968 book, “Chariots of the Gods,” sold hundreds of thousands of copies, but one critic called it a “warped parody of reasoning.” By Mike Peed Erich von Däniken, the best-selling Swiss author and ...

Clairvoyant Baba Vanga, long believed by devotees to have foreseen events such as 9/11 and the COVID-19 pandemic, predicted alien visitors and the outbreak of World War III for this year. The blind ...