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.

Officials announced Wednesday that Jane Doe No. 3 is 26-year-old Army veteran Tanya Denise Jackson from Mobile. Her ...

University officials confirmed the train-like vehicle had been involved in a serious multi-vehicle crash Thursday afternoon.