In itself, meteorites are not uncommon, but what’s pretty cool is that the Mars rover Opportunity managed to land close to a basketball sized one lying on the surface of Mars. You can read more in NASA’s press release.

CMU developed a project to find meteorites in Antartica using an autonomous robot that could search the frozen plains for these bits of stellar flotsam. Of course, there are other, more labor intensive ways to find Antarctic meteorites too.