Officially, Earth boasts roughly two million species. Unofficially, scientists suspect there could be millions — perhaps over 100 million — more. Each year, scientists add thousands of new species to ...

Tigers once roamed from Turkey to China and as far north as Russia and south to Indonesia. Today, they inhabit around 6% of their ancient grounds and are on the brink of extinction. These beautiful ...

NEW YORK — Tiger muskellunge are a sterile, fast-growing cross between northern pike and muskellunge. They have long, cylindrical-shaped bodies like their parental species, and can reach similar sizes ...

The Oklahoma City Zoo and Botanical Garden announced the birth of an endangered Sumatran tiger cub in its Cat Forest habitat.

Animals have adapted many critical techniques for their survival, such as when they are most active, how they hunt, and how they keep themselves safe from predators. One of the most effective methods ...

The Oklahoma City Zoo welcomed a critically endangered Sumatran tiger cub, offering a rare boost for a species with fewer than 400 left.