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S51E8
Decoding the Universe: Cosmos
April 16, 2024
How big is the universe? Will it ever end? Why is so much of it made of mysterious dark matter and energy? See how mind-bending discoveries over the past 50 years have revolutionized our understanding of the universe.
TV Schedule
2024 Season
Lost Tombs of Notre Dame Preview
S51E18
Mysterious bodies are found under one of the world’s most famous cathedrals.
Building Stuff: Change It!
S51E17
From electric flight to artificial noses, engineers are finding new ways to preserve our planet....
Building Stuff: Reach It!
S51E16
Humans are born to roam. See how engineers are inventing new ways to explore and extend our...
Building Stuff: Boost It!
S51E15
Is engineering humanity’s superpower? See how we can amplify our natural abilities in amazing...
Decoding the Universe: Quantum
S51E14
Dive into the universe at the tiniest – and weirdest – of scales.
Solar System: Wandering Worlds
S51E13
Meet the surprising, oddball worlds moving around our solar system.
Solar System: Icy Worlds
S51E12
Visit strange, frozen worlds to discover the bizarre ice that forms beyond Earth.
Solar System: Volcano Worlds
S51E11
Discover the powerful volcanic eruptions that have shaped worlds across our solar system.
Solar System: Strange Worlds
S51E10
What are the weirdest worlds in our solar system, and how did they come to be?
Solar System: Storm Worlds
S51E9
Discover the dramatic forces creating spectacular weather on neighboring planets and moons....
Hunt for the Oldest DNA
S51E4
Follow the quest to recover DNA millions of years old for the very first time.
Building the Eiffel Tower
S51E3
Explore the engineering behind Paris’s iconic landmark, the tallest structure of its time....
Easter Island Origins
S51E2
New evidence reveals the real story of Easter Island and the builders of its stone heads.
More Episodes
Sands of Time
September 13, 2024
Using photo archives and ancestral knowledge, witness coastal erosion in Bristol Bay, Alaska....
Keepers of the Coastline
September 13, 2024
In Northern California, Marine science is guided by Tolowa Dee-ni' Nation’s community and...
Tides of Tradition
September 13, 2024
Following a local Unangax̂ hunter, hear the realities of food access in the changing Arctic....
Standing the Heat
September 13, 2024
Reintroducing the hogan, an earthen Navajo structure that stays cool in the summers without...
Megadroughts and Indigenous Voices
September 13, 2024
The Southwest is in a megadrought, but Native Americans have survived them before.
Harvesting the Future
September 13, 2024
Ak-chin farming makes desert agriculture possible, and now, those practices help communities...
Sea Change: Survival in the Gulf of Maine
August 7, 2024
Meet the people leading new efforts to shape the future of the Gulf of Maine and our oceans....
Sea Change: Peril in the Gulf of Maine
July 31, 2024
Explore Cashes Ledge - part of the Gulf of Maine that helps power the Gulf’s more than 3,000...
Sea Change: Bounty in the Gulf of Maine
July 24, 2024
Discover the lasting impact of how international trade forever changed the Gulf of Maine’s...
Making North America: Human
S42E22
How has the land shaped our lives, from the arrival of the first Americans to today?
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