One halcyon spring day in 1903, the 69-year-old anatomist and naturalist Dr. James Bell Pettigrew sat at the top of a sloping ...

Michigan residents may notice a higher-than-normal number of dead fish washing ashore from this season's winterkill.

Michigan’s harsher winter with cold and heavy snow has caused more fish deaths, a natural phenomenon called winterkill.

The size discrepancy among thorny skates has been noted for nearly a century, but the issue became especially significant in ...

Thorny skates come in two distinct sizes along the Atlantic Coast of North America, but no one could figure out why. Then their numbers began to plummet, and it became imperative for scientists to ...