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

SETI may have missed alien signals for 60 years because stellar plasma smears transmissions into noise, a new Astrophysical ...

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 ...

Have you ever wondered what you would do if a) aliens were real and b) they decided to pay us a visit? How would we and our ...

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 ...