Mexican mole (pronounced MO-lay) can seem intentionally bewildering, but the word actually has a very simple definition. Mole means sauce in the historic Nahuatl language spoken by the Aztecs, which ...

The naked mole-rat is perhaps one of the most bizarre beasts on the planet. At first glance, it looks like little more than a cocktail sausage with legs and teeth. But beneath its wrinkly pink skin, ...

A mole is a colored spot on your skin caused by a high concentration of pigment-producing cells called melanocytes. The medical term for a pigmented mole is a melanocytic nevus, or simply nevus.

Naked mole-rats in their new home at Smithsonian’s National Zoo. Every queen deserves a castle, and the ruler of the Smithsonian’s National Zoo’s naked mole-rat colony is no different. After 27 years ...