The Surprising Life of Lions
The only cat that's truly social is the lion. But why ... and how? To find out, our team spent many months with the prides of the Serengeti.
Living With Lions
Africa's lions may number no more than 35,000. In Kenya a program called Lion Guardians points to a way to save the beleaguered cats.
Sugar Love: A Not So Sweet Tale
We were smitten 10,000 years ago on the island of New Guinea. Today the average American downs 22.7 teaspoons a day.
Underwater Secrets of the Maya
"I saw it, I saw it! Yes, it's true!" the archaeologist shouts: divine light at the bottom of a natural well.
Technology is redefining how caves are explored.
Sunita Williams: Spacewalker
The astronaut steps into the void.
Behind the Painted Elephant
In India the animal is a treasure - and sometimes also a work of art.