Catalyst

Last episode
57:00
Catalyst

Professor Tamara Davis meets the scientists on a quest to hunt down black holes, the journey has brought us to the cusp of an unprecedented milestone in scientific achievement - to photograph a black hole for the first time.

Catching up on Catalyst?

Don't want to miss an episode anymore? Set up a free alarm and receive an email when new episodes are available. Handy!

Season 21
56:00
Asteroids are an ever-present threat to our survival, but as Astrophysicist Professor Tamara Davies discovers - they may also be responsible for kickstarting life on Earth.
Archive