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 Lassauce ...

This event marks the first time the leopard shark (Stegostoma tigrinum) has been documented mating in the wild. University of the Sunshine Coast Scientists recently captured the first-ever video of ...

Fatal attractions are a standard movie plotline, but they also occur in nature, with much more serious consequences. As a conservation biologist, I’ve seen them play out in some of Earth’s most remote ...

In world-first footage, researchers have captured a wild black-coated jaguar mating with a spotted jaguar deep in the Brazilian Amazon. The big cats are notoriously elusive, hence this latest ...

A new study of wild bats reveals that an animal's immune system is shaped by more than its need to fight infections. Researchers from the University of Maryland have found that sex, age and ...

While millions of people are preparing to watch the total solar eclipse that will make its way across North America on Monday, the animals in that affected area — in homes, on farms, in zoos and in ...

Splashes at the surface give an indication of the commotion below. Beneath the waves, a tornado of hundreds of devil rays swirl in a dizzying dance that goes on for hours. "It's amazing to see a ...

In the heart of the Brazilian Amazon, researchers from the University of East Anglia have captured something never before documented—a black-coated jaguar mating in the wild with a spotted jaguar.