Ancient deep-sea organisms suggest movement, sexual reproduction, and complex animal life began earlier than previously thought.

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals . Unexplained gases on other planets. Things mistaken for UFOs ...

From mosquitoes to bed bugs, parasites have always stuck close to humanity, and they continue to shape our lives to this day, ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

From "Independence Day" to "Invasion of the Body Snatchers", movies and TV shows are packed with advice for anyone aspiring ...

Stars Reach is the new MMO from Ralph Koster, creative lead on Star Wars Galaxies, and it is a fully physically simulated sci ...

From The Thing to Blade Runner, Aliens to Tron, these ’80s sci-fi classics prove practical effects can still outshine modern ...

Some frogs have evolved features so strange that scientists struggle to explain them, and a few look less like amphibians ...

Marvel and 20th Century Studios recently announced their collaboration on a special crossover series, Alien vs. X-Men. Coming off the massive success of Alien vs. Avengers, this four-issue comic will ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself resurfaces: if aliens were to arrive on Earth, would they come to conquer us, ...

How Andy Nicholson and Jonathan Rothbart mixed the old with the new for FX's big-budget horror series "Alien: Earth" ...