The largest land mammal to ever live on Earth had unique features, combining the traits of both rhino and giraffe. The creature, now extinct, is known as Paraceratherium, according to IFLScience. They ...

Size shapes the way animals move, hunt, and survive. For example, in the ocean, ginormous creatures rely on their massive ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

A first-of-its-kind aerial survey of wildlife in South Sudan has helped confirm the world's largest land mammal migration, and now we've even recorded evidence of it. The survey focused on the Great ...

Early in the new Ken Burns’ documentary “The American Buffalo,” a map depicting the national mammal’s native range dips down into Florida. While the state never had huge herds like out west, these ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

UC Santa Barbara researcher Susanne Meyer remembers when she went out to collect skin biopsy samples from free roaming blue whales in the Santa Barbara Channel. Standing with her teammates on the deck ...

White-eared kob antelope in the Great Nile Migration Landscape are part of the world’s largest land mammal migration of 5 million to 7 million animals. Their migrations recently were mapped by Global ...

When it comes to pure, raw power in the natural world, the debate over which creature is the strongest animal is a heated one ...