But what is the science behind extraterrestrial life? Is it possible that humans will ever experience "first contact" with an ...

The search for extraterrestrial life has long gone back and forth between scientific curiosity, public fascination and ...

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

SETI: Search For Extraterrestrial Intelligence offers tons of strategy in an excellently designed euro game about finding ...

It might or might not be the smell of aliens, but dimethyl sulfide — and its funky odor — definitely gets around ...

"Until we can separate these signals more clearly, we have to be especially careful not to misinterpret them as signs of life ...

When astronomers announced last month they might have discovered the most promising hints of alien life yet on a distant ...

But new research from the University of Chicago is urging caution. After analyzing data from multiple observations of the ...

A series of studies have cast doubt on the sensational claim that "the strongest evidence yet" was found that life exists anywhere else besides Earth.

An astonishing new claim that we have finally discovered “alien life” has left the space world reeling. The world of ...

In April, astronomers said they had detected a possible signature of life on the exoplanet K2-18b. Now, three independent ...

Astronomers are developing plans and technology for increasingly powerful space telescopes. For instance, NASA is working on its proposed Habitable Worlds Observatory, which would take ultrasharp ...