Astronomers used the VLA and MeerKAT radio telescopes to search the Hycean exoplanet K2-18b for alien technosignatures, analyzing millions of signals but finding no confirmed artificial radio transmis ...

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of ...

President Donald Trump wrote in a social media post this past week that he would order release of the federal government’s ...

On Thursday the U.S. president ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

More than 2,500 alien plant species could find suitable conditions in the Arctic, especially in northern Norway and Svalbard.

Former President Barack Obama had to clarify statements he made in a podcast about about the existence of aliens. He took to ...

Planet K2-18b, an apparent water world 124 light years away, has been seen as a promising location in the search for aliens, ...

In an Instagram post on Sunday, Obama said he had been trying to “stick with the spirit” of his interviewer, political commentator Brian Tyler Cohen, during a wide-ranging podcast released Saturday.

Researchers looking for signs of extraterrestrial life instead stumbled upon a pulsar at the center of the Milky Way galaxy.

Long before Sputnik launched, something else may have already been orbiting Earth. Known as the Black Knight Satellite, this mysterious object has sparked theories of alien observation, ancient ...