A 68-million-year-old skull fossil found in Antarctica has revealed the oldest known modern bird, which was likely related to ...

A Cretaceous Period bird called Vegavis iaai pursuit diving for fish in the shallow ocean off the coast of the Antarctic peninsula, with nautilus-like ammonites and marine reptiles called ...

Dozens of dead and sick birds are washing ashore on Lake Michigan beaches in Illinois and Wisconsin, suspected of having the bird flu, according to state officials.