Up Next
Back to Show
NOVA
Why NASA is Back on Mars
This NASA rover landed on Mars, more than 130 million miles from Earth. It’s task? To continue the search for past life on the red planet.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
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.
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.
54:06
Scientists race to help corals adapt to warming oceans through assisted evolution.
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.
53:31
Scientists look to geoengineering and other methods to cool the planet.
Unlock with PBS Passport
1:33:41
We can now edit the human genome with a tool called CRISPR. But how far should we go?
53:21
Can bringing predators—and fear—back into an ecosystem help restore its natural balance?