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

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life. The problem is not finding the star.

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

The scientific search for extraterrestrial life is almost entirely focused on biosignatures, radio signals, and microbial ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

Microscopic iron shrapnel, remnants of D-Day explosions, have been discovered in Omaha Beach sand, a study reveals.

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

New research suggests sperm whales communicate in a complex language of their own. The implications for animal rights could ...

NASA's Perseverance rover has uncovered one of the most intriguing clues yet in humanity's search for life beyond Earth.

Astronomers suggest that space weather could distort alien signals, making them undetectable. This challenges traditional ...

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

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