Sleeper sharks live extraordinarily long lives and can thrive in near-freezing ocean temperatures near Earth's poles.

On a hot February morning, Galápagos National Park rangers released 50 giant tortoises back to Floreana Island—marking the beginning of a historic comeback.

The eagle nest cam at Iroquois National Wildlife Refuge in Orleans and Genesee counties captured a special moment Monday, as a bald eagle laid a second egg.Video from Monday showed the female eagle ...

Five remote islands off the coast of Southern California are known as the “North American Galapagos.” These expert tips will help you plan an unforgettable adventure.

The video follows the construction of new aviaries and a dedicated tortoise habitat from the ground up Steel frames concrete bases and enclosure walls show how the spaces are taking physical shape ...

"The largest elephant ever. It doesn't matter if they are a dream or reality." National Geographic's latest documentary film, "Ghost Elephants," follows Nat Geo explorer Steve Boyes to locate the ...

Scientists once thought that a male frog dubbed Romeo was the last of his kind. Then, when more Sehuencas water frogs were discovered in 2018, they hoped he would mate with a female they called Juliet ...

Bernard Monnaapula, my guide at Gomoti Plains, and I have been trailing a male leopard across the Okavango Delta for more than an hour when we realize it has led us to an unexpected prize: African ...

A decades-long quest reveals the remarkable truth about how these giant creatures have remained so elusive. The ghost elephants that live in the highlands of Angola behave like almost no others on ...