Discover showtimes, read reviews, watch trailers, find streaming options, and see where to watch Alien (1979). Explore cast details and learn more on Moviefone.

Beyond our solar system, countless alien worlds of lava, ice, water and noxious gas swirl through the cosmos. Here are some ...

Life probably exists beyond Earth. So how do we find it? With next-generation telescopes, tiny space probes, and more, scientists aim to search for life beyond our solar system—and make contact.