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On “Ages of Ice,” a story of scientific daring, discovery, grit and human endeavor unfolds, where unlocking the mysteries of our icy worlds is key.

On “Resolve to Solve with Miles O’Brien,” conservationist Kris Tompkins has dedicated her life to rewilding Argentina’s Iberá Wetlands.

Learn the story of life on the supercontinent of Pangea, shedding light on the world of the Permian, how it ended and how life recovered.

Discover the American Southwest and the Colorado River, with the region’s deep cultural history and the urgent fight to protect its future.

On “The Kimberley: Australia’s Wild West,” see a jaw-dropping Australian wonder with terrain as harsh and unforgiving as it is beautiful.

In “The Kimberley,” battle for dominion over the river with crocs, then catch glimpses of an ultra-rare mangrove snake and more.

This summer, discover your new favorite book. Arizona authors joined “Arizona Horizon” to give an inside look into their newest publications.

On “The Kimberley: Australia’s Wild West,” Mark Coles Smith records the nighttime biodiversity to bring hidden faces and species to light.

Discover how humans have partnered with the horse throughout the centuries, creating more than 350 breeds found all around the world.

On “Equus,” explore the fascinating evolutionary journey of the horse, from its tiny forest-dwelling ancestors to the modern steed.