Kenneth Sims and other research scientists recently discovered that mafic volcanism of Henrys Fork Caldera -- located in ...

A weathered sign in the Minnesota River Valley proudly proclaims: “World’s Oldest Rock.” Erected in 1975, it marks a 3.8-billion-year-old gneiss — or so scientists thought.

Video shows Mississippi River flooding. VICKSBURG, Miss. (WJTV) – The U.S. Army Corps of Engineers (USACE) Vicksburg District entered into a Feasibility Cost Share Agreement (FCSA) with the Yazoo ...

The Yellowstone River is seeing notable flow changes based on records gathered at Livingston going back to the late 1800s.