This 1930s film captures the rugged beauty of the United States' coastline, showcasing the dynamic interaction between land ...

The left panel of a mural containing a relief map of the United States showing the west coast. In lower right, a banner with rolled end containing words "Relief Map / United S_____". Credit Line Gift ...

Dear EarthTalk: I’ve noticed a lot of beach erosion along the eastern U.S. coast. Beaches are virtually nonexistent in places. Is this a usual cycle that will self-correct, or are these beaches ...