Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

Grace skips Earth to rescue Rocky, sends the Taumoeba cure home via four Beetle probes, and ends up teaching alien children ...

Is it possible that potential alien life may uncover one of Earth's Hot 100 Top 10 numbers? Read more about the options and ...

For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp question: if alien signals have already reached Earth without us noticing, what ...

The mysterious space rock that passed through our solar system grew significantly brighter as it left, according to scientists. Researchers say Comet 3I/ATLAS, suggested to be a hostile alien ...