Arizona is the 48th state in the United States, and is home to dramatic natural landscapes, rich history and bustling ...

Imagine wandering through the blazing, sun-baked stretches of the American Southwest, where life seems impossible, yet the ...

Humankind faces unprecedented changes in climate patterns, sea-level, ocean acidity, ecosystems, and more. Learn more about the science behind these issues in the following FAQs.

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 ...

A new plant species belonging to the sunflower family, known as the "woolly devil," has been discovered in Big Bend National ...