Google Maps has got fresh competition. Using machine learning, computer engineers have developed an interactive map that shows 3D models of the world's buildings – practically every single one of them ...

However, the open-source project isn’t about bragging rights. With over 2.75 billion buildings detailed in the map, the ...

For most of human history, maps have flattened the world. Cities appeared as outlines, buildings as blocks of colour, and entire neighbourhoods were reduced to symbols on paper or screens. That ...