Researchers tested a birth-control vaccine designed to prevent deer from reproducing for multiple years. The vaccine is delivered by dart and works ...

WARSAW, Poland — A zoo in Poland says it's the first to have captured on video the birth of a rare Philippine mouse-deer, and everyone's hoping it’s a male so it can help the endangered species breed.

CLEVELAND (AP) - Deer birth control could someday return to Cleveland Metroparks. The deer population is exploding in the parks and throughout the Cleveland suburbs. But animal activists and other ...

WARSAW, Poland (AP) — A zoo in Poland says it's the first to have captured on video the birth of a rare Philippine mouse-deer, and everyone's hoping it's a male so it can help the endangered species ...