Over the years we've seen the debut of hybrid animals like the liger and the wholfin, with each new mixed creature raising questions about interspecies breeding and the future of unique animals like ...

Scientists that were trying to learn more about sex determination in a type of fish mixed eggs and sperm from two different species of fish in a control experiment not intended to yield viable embryos ...

A baby liger celebrated turning 100 days old in central China on September 15. Jing Jing was born on April 26, one of three cubs, to a female liger and a male tiger — the first of its kind in the ...