GEOQUIZ: To which state would you travel to visit Big Bend National Park? Answer: Texas. The Big Bend area is named for its location on the bend of the Rio Grande River, which separates the U.S. and ...

Peru’s Marañón River was made a legal person, granting it the rights to be free-flowing and free of contamination. Mari Luz ...

A conversation with Greg Grandin about his groundbreaking new book America, América: A New History of the New World.