Imagine a river cutting through ancient stone over the course of untold centuries, chiseling a chasm hundreds of feet deep. The river now flows strong, with rapids churning the base of the canyon. This is not a tale about the Grand Canyon, home to a national park in Arizona, but the origin of Letchworth...

NEW YORK - Our globe’s climate naturally shifts and changes over time. Earth has gone through periods of freezing cold temperatures or rocky volcanic landscapes that affected temperatures as well as the ecosystems of our past. However, the difference between changes in climate in the past and the...