Follow the life of an old hippo, a king of its kind, and discover the true character of one of Earth’s largest land mammals.

See how the Artificial Intelligence Precision Health Institute is using new technology in the fight against cancer.

NOVA: Hidden Volcano Abyss, recounts how in 2022, one of the most powerful volcanic eruptions in recorded history rocked the islands of Tonga, sending shockwaves around the world. Through first-person accounts and footage of the disaster, witness the terrifying power of the eruption and the devastating tsunami that struck the shores of Tonga.

Scandinavia’s extremes are kingdoms of ice and fire. Awake under the long polar night, Muskoxen, polar bears, and arctic foxes must navigate the dramatic transformation of their world as it melts into a sleepless rush of life under the midnight sun.

Scandinavia’s wild and unpredictable coast is a place of haunting beauty and dangerous extremes. Home to sea eagles, otters, base jumpers and orca. Only the tough and resourceful can carve out a Life on the Edge.

The North Atlantic right whale is on the brink of extinction. But a handful of specialists are determined to help save it as they discover new secrets about the lives of these giants of the sea.

David Attenborough presents seven of the most remarkable animal songs found in nature and explores the significance of these songs in the lives of their species.

Morgan Gardner and McKenzie Mungai of the Maui Ocean Center Marine Institute talk about the unique biology of sea turtles.

In its second year, Changing Planet revisits six of our planet's most vulnerable ecosystems and catches up with the truly inspiring people introduced in the first season: scientists and local experts fighting to safeguard their communities and wildlife, and charting the progress of their game-changing environmental projects.

Embark to Niagara Falls and witness its stunning beauty and a wide variety of wildlife—mammals, birds, and reptiles— that call it home. Through the eyes of passionate scientists, uncover a complex world forged by stone and powered by water.