After decades of sending radio signals into space, humanity finally receives a reply—but it's nothing like anyone expected.

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth could thus be overlooking prime evidence of alien intelligence.

The odds of there being another intelligent life form in the Milky Way are pretty good given the billions of stars. But we ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Could the interstellar object 3I/ATLAS exhibit technosignatures, or signals of alien technology? This is what a recent study published in The Astronomical Journal hopes to address as a team of ...

Humans have been searching the stars for alien radio signals for decades — and so far, E.T. has not phoned home. But that doesn’t mean intelligent life isn’t out there, a new study hints. Rather, ...

Astronomers suggest that space weather could distort alien signals, making them undetectable. This challenges traditional search methods and highlights the need for broader signal detection strategies ...

Research indicates airport radar systems may unintentionally broadcast Earth's presence to aliens up to 200 lightyears away, ...

Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful radio ...