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

For the local government of Naga, nature-based solutions that include finding and clearing lost creeks are preferred over flood control infrastructure ...

In the Owens Valley, Los Angeles siphons water from Sierra streams and also pumps groundwater from wells. Native tribes are ...

For decades, the colossal Taftan volcano of eastern Iran appeared a lifeless piece of history. It towered nearly 13,000 feet ...

For decades, our image of Iron Age settlements in the northwestern Iberian Peninsula, known as castros, has been limited to ...