A cave near Waitomo has yielded fossils from ancient birds and frogs, including a possible flying relative of the kākāpō. The ...

Caves can be thought of as nature’s original prefabricated homes. Here are five animal species that choose to live in them. While the image of early humans huddled in caves has become an almost ...

Beneath the sun-soaked waves of the Mediterranean, one of the world’s rarest marine mammals is hiding in a place few people ...

As the Arctic warms faster than anywhere else on Earth, animals that have evolved to survive the cold face unprecedented challenges. While scientists are learning more about how modern wildlife ...

Bones from an ancient cave in Greece reveal how a hippopotamus species held on in Europe long after others vanished from the ...

Scientists excavating bones in Arne Qvamgrotta, a cave in the Norwegian Arctic. Trond Klungseth Lødøen, CC BY-NC-ND As the Arctic warms faster than anywhere else on Earth, animals that have evolved to ...

Islands are already famous for strange wildlife, but their cave systems take isolation to another level. Cut off from sunlight, predators, and sometimes even the open ocean, these underground ...