Up Next
Back to Show
NOVA
Ancient Earth: Frozen Preview
700 million years ago, Earth was a giant snowball cloaked in ice from pole to pole. How did life manage to hold on through this deadly deep freeze, find creative ways to bounce back, and thrive in the dramatically different world that emerged?
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Unlock with PBS Passport
52:55
Engineers race to build a massive dome to contain the crumbling remains of the reactor.
Unlock with PBS Passport
53:09
Join pioneering shipbuilders as they embark on a feat of maritime engineering.
1:53:34
How can the science of learning help us rethink the future of education for all children?
Unlock with PBS Passport
53:49
Discover how Allied forces conspired to destroy one of Hitler’s most diabolical weapons.
Unlock with PBS Passport
53:41
Join engineers as they race to rescue a historic lighthouse from certain doom.
52:51
Join investigators as they untangle the cause of Alzheimer’s and race to develop a cure.
53:32
Watch as Otzi, a 5000-year-old mummy, is brought to life and preserved with 3D modeling.
Unlock with PBS Passport
53:07
Retrace the thought experiments that inspired his theory on the nature of reality.
53:36
How has the land shaped our lives, from the arrival of the first Americans to today?
53:35
How did massive volcanic eruptions, inland seas, and land bridges pave the way for life?
53:35
Experience the colossal geologic forces that shaped our continent over 3 billion years.
53:37
An astonishing find could solve the mystery of Sir John Franklin’s lost expedition.