Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature ...

Scientists say the findings of the new study may make future searches for extraterrestrial intelligence faster and more ...

Why some of the best places to find alien life could be within our Solar System.

A rocky world orbiting within its star’s habitable zone may be surrounded by a helium-rich atmosphere, providing the ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of an exoplanet in an alien star system. New research suggests that radio emissions from intelligent aliens may be ...

The latest tranche of declassified “UAP” files don't reveal much.

The race to compile a sort of catalogue of the planets orbiting distant Suns is intensifying, with the upcoming Nancy Grace Roman Space Telescope, for instance, set to spot tens of thousands of such ...

The Transiting Exoplanet Survey Satellite (TESS) revealed a distant planet located 40,000 light-years away using microlensing for the first time.

Astronomers find planet that is shockingly like Earth in huge milestone for search for aliens - First ever discovery of its ...

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home planet.

Planets orbiting stars beyond the solar system come in all shapes and sizes but mostly fit into a few categories: large and hot gas giants, super-Earths that are slightly larger than our planet, ...

In fact, polls in Australia, the US and elsewhere indicate around a third of the public believes aliens are here. However, while what we know about the universe suggests aliens may exist, there are ...