A butterfly that went extinct decades ago after the destruction of its Bay Area habitat is now the driving force behind its ...

CINTALAPA, Mexico (AP) — With Mexican cattle again barred this month from entry to the United States over fears of spreading ...

Readers share photos of gray bird species that live across America. Learn about the variety of gray colored birds you should know.

Caspersen Beach is famous for being one of the best spots in Florida for finding prehistoric shark teeth. That’s right – while other beachgoers around the state are collecting seashells, visitors to ...