James ' film ` ` Alien '' sparks renewed interest in real - life aliens being discovered . New cutting edge technology is allowing scientists to look deeper and deeper into space . Amateur astronomer Lisa Kaltenegger believes there is every number of alien moons existing .
James Cameron film `` Avatar '' sparks renewed interest in real-life aliens being discovered . New cutting edge technology is allowing astronomers to look deeper and deeper into space . U.S. astronomer Lisa Kaltenegger believes there is every chance of alien moons existing .