Despite their underwater habitat, whales are mammals. Mammals are not solely terrestrial; some, including whales and dolphins, are fully aquatic the University of Michigan Museum of Zoology reports.

The ocean covers roughly 70% of our planet, and its vastness often leaves more questions than answers. The same can be said for the animals that call the deep blue home. Dr. Cara Field knows all about ...

New analysis of a 100-million-year-old fossil embedded in a rocky cove in Australia suggests echidnas may have evolved from swimming ancestors. That's basically unheard of: While there are many ...

Introduction -- Limbs and Locomotion -- Comparative Anatomy. Anatomical Terms of Location -- Limb skeleton -- Limb musculature -- Muscle maps -- Martes foina (European stone marten) -- Meles meles ...

Evolution takes some weird twists and turns to bring animals to their current forms. While evolution is based on random mutations and passing on traits that aid in survival, that does not mean that a ...

The Miami Seaquarium, an embattled marine park at the center of ongoing controversy due to repeated animal welfare issues, inspection violations, bankruptcy and an eviction battle, is closing its ...

Ranging from 9 to 98 feet in length, whales are the largest creatures on Earth. Scientists believe the first whales evolved ...