Air Date: Wed, Aug 26, 2026 8:00 PM

On Costa Rica’s Pacific coast, turtles and jaguars collide in unexpected ways.

Air Date: Tue, Aug 25, 2026 9:00 PM

Celebrate the life and career of Pulitzer Prize-winning writer Mary Oliver. Shaped by a solitary childhood and rising literary fame, Oliver published more than 30 collections of poetry and essays on nature, beauty, and love.

Air Date: Thu, Aug 20, 2026 9:30 PM

The first saber-teeth and tusks evolve in the Late Permian and our ancestors, the cynodonts, appear.

Air Date: Wed, Aug 19, 2026 10:00 PM

Miles O’Brien finds climate solutions in seaweed and beavers.

Air Date: Thu, Aug 13, 2026 9:30 PM

An extinction in the Middle Permian decimates life, from a fossil reef to our ancient relatives.

Air Date: Wed, Aug 12, 2026 8:00 PM

An intimate portrait of Sir David Attenborough’s life, from his boyhood days as a fossil hunter, through his early days as a BBC host, to his revered status as the foremost natural history presenter.

Air Date: Fri, Aug 7, 2026 8:00 PM

Learn about life aboard the International Space Station and the future of space exploration.

Air Date: Thu, Aug 6, 2026 9:30 PM

The first herbivorous vertebrates evolve on the side of the amniote family tree leading to mammals.

Air Date: Thu, Aug 6, 2026 7:30 PM

Panelists share what to know as the weather phenomenon El Niño strengthens in the Pacific.

Air Date: Wed, Aug 5, 2026 9:00 PM

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