For more on big cats, tune in to Big Cat Week, premiering Monday, Feb. 20, at 9/8c on Nat Geo WILD and learn more about the National Geographic Big Cats Initiative, a global initiative that supports ...

A good way to start an argument among biologists is to ask them what seems a simple question: "What is a species?" To evolutionary theorists, a species is a fundamental unit, and transitions between ...

Deep beneath the mountain, explorers followed the roar of a 50-foot waterfall into a maze of echoing chambers and crystal walls. What they found behind the falling water left them speechless — a vast, ...

Paul Boudehent and Nolann Le Garrec were in full international mode as Ronan O’Gara’s La Rochelle beat Lyon 35-19 at Stade Gerland to claim their first away win of the season at the fourth time of ...

Game 1 of the Korean Series between the LG Twins and the Hanwha Eagles at Jamsil Stadium on the 27th. Hanwha Ha Joo-seok is cheering after hitting a timely hit in the top of the first inning with two ...

The Tribune, now published from Chandigarh, started publication on February 2, 1881, in Lahore (now in Pakistan). It was started by Sardar Dyal Singh Majithia, a public-spirited philanthropist, and is ...

A species is a distinct group of organisms and the most basic unit used to measure life on Earth. However, there’s no single definition of a species, meaning this vital concept in biology can be ...