All episodes

Discover how Saturn's moons could rewrite the rules of the Solar System.

Mars is infested with robots, orbiting the planet and roaming the Martian surface on a mission to uncover its secrets; now, Perseverance joins this dedicated group of machines to uncover if there is, or was ever, life on the Red Planet.

The collision of two supermassive black holes is the most violent event that can occur in the universe; experts explore where a black hole's energy originates and what really happens when the two most powerful objects in the cosmos clash.

In a fictional scenario set in 2029, an asteroid hurtling towards Earth at 40,000 mph will reduce New York to ashes; examining the hypothetical, experts weigh in to determine what could happen, and how it might be stopped.

New discoveries have rewritten the history of the solar system, revealing a complex and violent story that begins with the birth of the Sun from the debris of a massive galactic collision, to its eventual fate as a lone zombie star.