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

Researchers have looked at how particular microbes from Earth would fare in conditions like those of Mars, the moon, and the ...

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

A new survey of hundreds of astrobiologists reveals that, despite NASA's high-profile declarations about Mars and exoplanet K2-18b, most experts do not yet think alien life has probably been found.

Scientists have updated global guidelines for announcing possible evidence of intelligent alien life, aiming to prevent misinformation, panic and confusion in the age of social media and AI.

Steven Spielberg's new blockbuster coincides with real-world disclosures about the government's investigation of unidentified ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an alien spaceship.

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

When a scientific controversy or breakthrough dominates headlines, press officers and journalists often quote a handful of ...

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