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

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

Add Yahoo as a preferred source to see more of our stories on Google. According to the study, "Belief in extraterrestrial life is on the rise, with nearly two-thirds of Americans now convinced that ...

A new line of research proposes that the first clear signs of extraterrestrial intelligence may not come from distant stars, ...

Billions of years ago, while the solar system was still young, a massive object may have drifted into it. It's not a spaceship, but it is an alien visitor in its own right—a colossal interstellar body ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself ...

Through the looking glass: The fact that we have yet to discover alien life continues to baffle scientists. While there are many possible explanations, a new theory offers a rather grim perspective: ...

One of the longest-standing techniques in humanity’s search for life beyond Earth may be causing scientists to miss alien signals entirely, a new study finds. Since the very beginnings of the search ...