Google runs one of the most impressive 3D mapping tools available. It's a reliable go-to for planet zooming, location finding, and basic geo-analysis. But, unlike Google Maps, Google doesn't market it ...

Google Earth combines satellite imagery and aerial photography to create a rich picture of earth. You can use Google Earth online, on your smartphone or tablet, or on its desktop app — all for free.

Yesterday saw the release of Google Earth for iPad, and I cannot put into words how awesome it is. Though there is no amazing new feature or killer new interface, using it on the iPad’s 10-inch, ...