If and when SETI discovers alien life, a revised Declaration of Principles guarantees once the discovery has been verified, ...

The rock, Clinton said, “speaks to us across … billions of years and millions of miles. It speaks of the possibility of life.

Every few months, someone announces we’re on the verge of finding alien life, and the headlines go predictably insane. What ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for ...

Scientists have updated global guidelines for announcing possible evidence of intelligent alien life, aiming to prevent ...

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s “habitable zone,” often considered the gold standard of potential livability An ...

The object, called 3I/ATLAS, is only the third interstellar visitor ever detected passing through our Solar System.

The International Academy of Astronautics has just voted to accept a major overhaul of the scientific code of conduct for ...

If we're to find extraterrestrial life in the universe, astronomers have pinpointed the best places to look for it. They have identified just under 50 rocky worlds most likely to be habitable out of ...

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To travel between solar systems, a spacecraft would need extremely sophisticated – if not impossible – technology.