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 ...

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 ...

KNOXVILLE, Tenn. — A new cat on the prowl at Zoo Knoxville is bringing hope for Malayan tigers, a critically endangered species. Jango, a 10-year-old tiger coming from a zoo in Missouri, arrived at ...

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 ...

A Bengal tiger has been spotted at nearly 10,000 ft in the Himalayas, raising questions about habitat shifts and mountain wildlife conservation.