Some scientists believe the sheer number of stars, planets and potentially habitable environments in space makes ...

Add Yahoo as a preferred source to see more of our stories on Google. JD Vance and E.T. in 'E.T.' J.D. Vance does not believe that extraterrestrials are aliens from outer space as traditionally ...

People were allegedly advised to call the United Nations' "alien communications specialist" if they made contact with extraterrestrial life.

However vast you imagine the universe to be, it is almost certainly even larger. Our Milky Way galaxy is about 100,000 ...

An alien radio signal from K2-155 d? Are there any alien civilizations out there? For several decades, scientists have been searching for evidence that they exist. That effort is collectively known as ...

When you're looking for signs of extraterrestrial intelligence, it helps to know what you're looking for and to go about it in the most efficient way. But work so far has generally not done so, writes ...

A new study proposes searching the moon for remnants of ancient extraterrestrial technology. Researchers suggest the moon's surface could preserve microscopic "technosignatures" left by alien ...

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Steven Spielberg is back with a new story about extraterrestrial life that has divided audiences. The sci-fi thriller movie ...

A UFO whistleblower claims U.S. troops have done battle with deadly "reptilian" alien giants and that the American government ...

Hangar 1 files reveal top-secret evidence that indicates the government has been operating bases on the Moon and Mars. Some ...