Nature is full of surprises, but few are as fascinating as hybrid animals, creatures born from crossing two different species ...

Rebounding wolf populations have been one of Greece's most significant conservation accomplishments in recent years. However, the rising numbers have led to a highly dangerous hybridization with ...

LONDON — The Human Fertilization and Embryology Authority of Britain approved the creation of some human-animal hybrids for stem-cell research. Yesterday, the authority gave the go-ahead to ...