A trail leading from near St. Louis, Missouri to Natchitoches, Louisiana, teaches us about a race that ruled “the new world” ...

At a chilly and constant 58 degrees, these mesmerizing Tennessee caverns are waiting to be explored on a guided tour with ...

Nitrate loads and corresponding dual-isotope signatures were used to evaluate large scale N dynamics and trends in a river catchment with a strong anthropogenic gradient (forest conservation areas in ...