The USGS publishes free topographic maps that show trails, rivers, and campsites in great detail for hikers, cyclists, and ...

Geography teachers will be in tears over these common geography mistakes How many of these geography mistakes have you made?

Although a short U.S. government shutdown would be unlikely to have much impact on air travel, a prolonged impasse could lead to disruptions for passengers and financial losses for businesses, ...

Located in the arid Peruvian coastal plain, some 400 km south of Lima, the geoglyphs of Nasca and the pampas of Jumana cover about 450 km 2. These lines, which were scratched on the surface of the ...