His daughter Chandler gave birth to a healthy baby girl!

It's "lights! camera! action!" but in the wild!

One-month-old chicks join zoo's growing little penguin colony

Learn about the world's longest pedestrian bridge at Discovery.com

Learn about sunscreen at Discovery.com

Learn about comets at discovery.com

Learn more about the secret language of bees on Discovery.com.

After years of suspecting salt or microalgae as the cause of Lake Hillier's pink waters, DNA analysis helped science discover the more likely reason. Read more at Discovery.com.

The somewhat mysterious black-and-white visual illusion tricks your eyes into seeing color. Learn more at Discovery.com.

Learn about island animals at discovery.com

Studies show that self-criticism may damage the immune system. Now researchers believe being kind to yourself may lower the risk of disease. Learn more at Discovery.com.

The African country of Madagascar boasts plenty of wildlife, but it also features the world's largest stone forest. Some of the limestone peaks reach as high as 2,600 feet, and the nature reserve is home to several unique endangered plants and animals including lemurs.

Learn about the planets at discovery.com

Learn about cuttlefish at Discovery.com

Join Discovery as we explore five of America's most extreme destinations: Denali, Alaska (highest peak); Death Valley, California (hottest, driest, and lowest); Prospect Creek, Alaska (coldest); Mt. Waialeale, Hawaii (wettest); and Paradise Visitors Center on Mount Rainier (snowiest).