If you're heading for Britain's hills and mountains, there's simply no better companion than OS Maps – an app that puts all ...

The British mapping agency Ordnance Survey has created a map of the Martian surface using precision NASA data — and it's beautiful. PHOTOS: Tour 'The Martian' Movie Set… On Mars As an avid hiker when ...

All parts of the public sector in Great Britain have free access to a wide range of services from the government-owned mapping agency Ordnance Survey (OS), through the Public Sector Mapping Agreement ...

Reflecting worries that the French might invade, the first OS maps cover the mouth of the river Thames. This is the naval route to London and a highly vulnerable part of the country. The sheets that ...

An app which allows walkers to plot and follow routes around loughs, hills and valleys using detailed topographical mapping has been launched in Northern Ireland. OS Maps app has supported outdoor ...