New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth could thus be overlooking prime evidence of alien intelligence.

A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, ...

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 fellow Alabamians fare during an invasion? World UFO Day is July 2, so ...

Imagine you’re an alien astronomer, pointing your telescope toward our solar system, listening for signs of intelligent life. Would you hear us? For decades, scientists have wondered the same thing. A ...

, July 10 -- Scientists searching for signs of intelligent extraterrestrial life say some of the coldest objects in the Milky ...

Researchers in a recent breakthrough study have found the possibility of structures in the Milky Way that could be built by ...

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 ...

Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got ...

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: ...

A study at Penn State in conjunction with NASA has just been released, outlining the different scenarios that could occur should Earth ever be visited by an alien species. The study, titled “Would ...

Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien ...