This video breaks down why K2-18b has suddenly become one of the most important planets in the search for life beyond Earth.

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

While telescopes like the James Webb Space Telescope (JWST) can detect the chemical fingerprints of distant atmospheres, ...

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

James Webb uncovered exotic salt clouds surrounding the famous "Pink Planet," solving a long-standing mystery about one of ...

What happens if scientists find evidence of extraterrestrial intelligence? That question was at the center of a recent SETI Live discussion about newly updated post-detection protocols and how ...

A newly spotted interstellar visitor just got an unusually close listen from California scientists — in a search for signs of ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be ...

An interstellar comet that blazed past the sun and swung by Earth last year could be nearly three times older than our solar system and is unlike anything ever before seen in our cosmic backyard, ...

An interstellar comet that blazed past the sun and swung by Earth last year could be nearly three times older than our solar ...