Access to this video is a benefit for members through PBS Passport.
Up Next
Back to Show
Watch Preview
NOVA
Asteroids: Spark of Life?
Season 53
Episode 1
What if asteroids, long feared as destroyers of life, were key to our existence? Explore a revolutionary theory that these violent collisions provided the essential ingredients – water, minerals, and energy – needed to jumpstart life on Earth.
Support Provided By
53:30
In the Arctic, enormous releases of methane, a potent greenhouse gas, threaten the climate
Unlock with PBS Passport
53:21
Intrepid paleontologists discover that dinosaurs thrived in the Arctic’s cold and dark.
Unlock with PBS Passport
53:28
Take a tasty look at insect foods that could benefit our health and our warming planet.
Unlock with PBS Passport
53:28
Join the hunt for the universe’s most common—yet most elusive and baffling—particle.
53:36
As state-legalized cannabis spreads, NOVA explores its little-known risks and benefits.
53:46
NASA launches its most ambitious search yet for traces of ancient life on Mars.
53:32
Discover the fascinating chemistry that makes our world and everything in it—including us.
53:30
Discover the fascinating chemistry that makes our world and everything in it—including us.
53:31
Discover the fascinating chemistry that makes our world and everything in it—including us.
