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

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 ...

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 ...

As NASA rolls out more powerful telescopes in the future, scientists will need a way to determine where to point them. A new ...

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.

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

Well, Europa (a moon of Jupiter) and Enceladus (a moon of Saturn) both have subsurface oceans beneath their icy crusts. Thes ...

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