This story appears in the November 2013 issue of National Geographic magazine. America has had two great ages of exploration. The one that every schoolchild learns about began in 1804, when Thomas ...

Computer science Professor Paul Barford and a team of researchers published the first publicly available map of the US's long-haul fiber-optic cable network. It took the team nearly four years to ...

W alletHub compared America's 50 states across 37 key safety indicators. Here are the safest and most dangerous states in the US. More from Military & Defense W alletHub compared America's 50 ...