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 ...

American Southwest. But new research suggests that even this hardy species could see its habitat shrink significantly in the ...