A new study from the University of Arizona reveals how historical tree-ring data can help predict extreme summer weather ...

PHOENIX — A 12-year-old from Phoenix sure hopes he knows his way around the world. If he does, he’ll be the winner of the National Geographic Bee that begins Monday in Washington. Ari Mehta, a ...

PHOENIX — A Phoenix boy was among the contestants eliminated at the National Geographic Bee in Washington. Ari Mehta was knocked out in the preliminary round Monday. Mehta, from Desert Cove Elementary ...

While the groundbreaking Paris Climate Accord has pledged to limit future temperature increases to 1.5 to 2 degrees Celsius (2.7 to 3.6 degrees Fahrenheit), “I don’t think you need to worry about 1.5 ...

Mark Twain (who emerged as a writer during the Civil War) said “God created war so that Americans would learn geography.” Some Americans anyway may learn geography from war, but not all. An American ...