Free-moving herds of migratory bison in Yellowstone National Park are stimulating the regrowth of flourishing grasslands and reshaping ecosystems, a new study has found. Contrary to conventional ...

While exploring the ocean in a deep-sea submersible, scientists say they discovered a flourishing ecosystem capable of ...

Illinois wasn’t always farmland. New research reveals a lost tropical world of swamps, rivers and seas frozen in the fossils ...