Tatooine is the mythical home of Luke Skywalker. Now, scientists have identified a planet in a binary system 200 light-years away, although the planet is more like Saturn in mass and makeup.
If Tatooine had trees, would they be black? Scientists say that a planet with two suns might have black or gray plants, not green. Why is that?
Star Wars fans want NASA to develop faster-than-light travel, so that humans can visit other star systems. After all, in the 'Star Wars' universe, the technology was developed a long time ago, in a galaxy far away.
May 4th is the unofficial National Star Wars Day, which means it's time to break out our favorite Star Wars quotes.
A look at other eco-stories around the Web.