Carved 20,000 years ago into a French cave floor, the world’s oldest 3D map may reveal not just rivers and hills — but the ...

Scientist Pete Kelsey and his team have 3D-mapped the entire island of Alcatraz, discovering Civil War secrets, prisoner escape routes – and looking at ways to preserve the island for the future.

Google Maps is already the world's number one mobile navigation app, but the Mountain View-based search giant is continuously looking for new ways to increase the app's market share. One of these ...