How Early Could Life Have Appeared In The Universe?
56:05
Are The First Stars Really Still Out There?
57:55
Did The First Planets Come Before The First Galaxies?
4:23
The Weirdest Reptile of the Ancient Oceans (Atopodentatus)
1:14:33
Discussing the Frontier of Particle Physics with Brian Cox
46:54
How Did Our Universe Emerge From Chaos?
20:00
A Simple Diagram That Will Change How You See Space and Time
56:12
What Is The Biggest Thing In The Universe?
27:11