(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 ...

We often applaud animals for learning tricks. But until recently, we rarely acknowledged that significant intelligence ...

April Boggs Pope, deer biologist with the North Carolina Wildlife Resources Commission, says these kinds of incidents are ...

When it comes to impressing the ladies, greater sage-grouse males know that smooth dance moves trump combative posturing. Indeed, new Yale research into these prairie-dwelling birds confirms that ...