Google's been on a homepage logo changing spree: they've celebrated H.G. Wells, the bar code, Confucious, Gandhi, and Sesame Street over the last few months alone.
If you check Google.com now though, you'll see that the search giant is celebrating something different: the discovery of water on the moon! NASA made the stunning announcement earlier today after its moon bombing mission successfully revealed water under the lunar surface. And now the Google logo depicts the bombing revealing water.