On the Arizona Trail, saguaros, coati and a midnight skunk reveal resilient biodiversity

As the trail wound its way into Arizona's Sky Islands, the region's biodiversity was on full display, as were the threats from rising temperatures.

Using exquisite corpse, ‘The Elephant’ tells a captivating story about reincarnation

Animators with "Adventure Time" ties (and their own great shows) have teamed up for a group special that explores themes of identity, death and reincarnation.