It would take 120 years to travel to planet K2-18b at the speed of light. Here's how we know what could lie there.

Scientists identify 45 potentially habitable exoplanets, using exact data and quotes to guide future telescopes in the search ...

A new study suggests alien life may be easier to detect through clusters of similar planets rather than single biosignatures.

These targets will guide observations with current and future facilities, including the James Webb Space Telescope and ...

A new study proposes detecting life in space by spotting patterns across many planets instead of focusing on one at a time.

A new study proposes a shift in the search for extraterrestrial life, moving away from individual biosignatures toward ...

On the way, he encounters an alien life-form named Rocky and the fictional extraterrestrial micro-organisms Astrophage and Taumoeba. Professor Lisa Kaltenegger, director of the Carl Sagan Institute at ...

Do aliens exist? Could Earth really be the only planet hosting intelligent life? Debates over the existence of extraterrestrials date back to the earliest Indigenous and western thought. The tools ...

Explore how cutting edge telescopes, AI, and new detection methods are transforming the extraterrestrial life search and ...

Scientists are moving beyond the traditional "Earth twin" mindset to search for life in the universe, embracing the vast diversity of exoplanets. New research urges looking for biosignatures in a wide ...

The northern ice ap of Mars seen from space - NASA/JPL-Caltech/MSSS Humanity has dreamed about discovering life on alien planets for as long as we have dreamed about visiting other worlds. Since Mars ...