Although astronomers have found thousands of exoplanets, the number of confirmed exomoons—and exorings—is still zero. But ...

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's observations.

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar ...

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 ...

If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 ...

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 ...

Trump’s move sparks praise from House Oversight Republicans, signaling a push for transparency on UFOs and extraterrestrial ...

The race to develop a virtual scientist—an AI creation that conducts every stage of research, from idea to publication—has ...

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

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