Sometimes, to find a hot date, you need to scream from the mountaintops, scratch around, and pee on a few rocks. Snow leopards are pros at these techniques. There are only a few thousand of these ...

(CNN) — Endangered leopard sharks have been observed mating in the wild for the first time, with scientists witnessing a “threesome” involving two males and a female. The encounter was filmed by Hugo ...

Australian researcher Dr. Hugo Lassauce caught a rare moment between three endangered leopard sharks. The University of the Sunshine Coast (UniSC) marine biologist documented footage of two male ...