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 ...

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

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 ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

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 ...

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: ...

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...