You might think Armageddon was just a lot of Bruce Willis sobbing and Aerosmith-fueled sex, but there was actually some truth in there! If an enormous space rock ever heads our way, we're already planning on nuking it to hell. Here's how.
Michael Jordan? Mohammed Ali? Joe Montana? Sit down. The world's most amazing athlete works for NASA. Meet the gigantic, six-legged, tool-wielding robot that can hop around an asteroid. Tiger Woods ain't got nothin'.
In a research paper called "The population of natural Earth satellites", astronomers say that Earth must have a second moon at any given time. They have calculated the population of "irregular natural satellites that are temporarily captured" by Earth.