A mysterious comet from beyond our solar system is giving astronomers a rare glimpse into alien worlds — and it may have ...

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically different from anything known to have ever formed around our sun ...

We already knew interstellar comet 3I/ATLAS came from somewhere far beyond our solar system. Now scientists have more information on how alien that somewhere really is - a corner of the universe ...

The head of NASA says maybe Pluto is a planet after all. He is wrong because Pluto is part of the rest of the solar system ...

Scientists are using advanced telescopes, models and AI to help them look for signs of life beyond Earth, including in ...

ALMA reveals unusual “alien” water in interstellar comet 3I/ATLAS, showing it formed in an extremely cold, distant star ...

President Trump broke his silence on the recently released files on unidentified flying objects (UFOs) and unidentified ...

Barack Obama dismissed alien cover-up conspiracy theories, telling Stephen Colbert the government is terrible at keeping ...

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines ...

The former president swore that if the U.S. government knew about — or possessed — aliens, the information would have already ...