The curious minds at What If explore what would happen if we found alien life on Enceladus.

For decades, humanity has searched the universe for signs of alien life — but some scientists warn that finding it may come ...

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

A set of protocols telling scientists what to do – and what not to do – if they ever detect evidence of intelligent life ...

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...

Disclosure Day has plenty of UFOs and extraterrestrial species but very little of the human insights found in the filmmaker’s ...

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.

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

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

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.

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...