The hitchhiker’s guide to exoplanets and alie...

Long before trees and grass, microbes were shaping our atmosphere. Evolutionary biologist Peter Girguis explains how ancient bacteria learned to split water for energy, and why their waste product changed Earth forever.For more, check out the extended interview with Peter Girguis ...  Show more

How did animals first make the giant step from water to land? Evolutionary biologist Sean B. Carroll explains how the discovery of Tiktaalik—a fossil with both fish and limb-like features—revealed a key moment in evolution.For more, check out the extended interview with Sean B. C ...  Show more

Brian Cox and Robin Ince continue their LA science adventure as they visit Caltech in Pasadena to meet the scientists hunting for planets orbiting distant stars in solar systems far far from our own. They are joined in their quest by Python Legend Eric Idle and Exo-planet hunters ...  Show more

Melvyn Bragg examines Extra Terrestrials. New planets have been observed far beyond our solar system and telescopes are being built that will enable us to look for water and oxygen on these distant planets. If water and oxygen are present, there is every reason to suppose that so ...  Show more

3/6 In this instalment of The Curious Cases of Rutherford & Fry, Hannah and Adam boldly go in search of scientists who are hunting for ET, spurred on by questions sent in by listeners across the globe, from Australia to Columbia. They start by asking how we define life and why we ...  Show more

How did the planets form? How did life happen? Where did Earth’s water come from? To answer questions like these, scientists used to go big—looking at planets, dwarf planets, and moons—but now small is the new big. Technology is zooming in on the pint-size stuff—asteroids, comets ...  Show more