An unlikely visitor doggie-paddled ashore at Alcatraz on Sunday, leaving stunned guests and workers wondering how a coyote ...

They held up their iPhone to show him the screen, and sure enough, there it was: a coyote paddling through the water and ...

Pythons can tolerate saltwater and freshwater and have been observed swimming in Florida Bay and Biscayne Bay.

Hollow hairs are a key survival tool for Arctic animals, which have evolved to grow extraordinary weather-proof coats.

A deadly fungus has already wiped out 90 species and threatens 500 more but Anthony Waddle is hoping gene replacement could be their salvation ...