Before man ruled the world, Earth was a land of giants, from birds with plane-length wingspans to Boeing 737- sized dinosaurs. Count down the...

A documentary telling the remarkable human story of Stephen Hawking. For the first time, the personal archives and the testimonies of his closest...

In honor of his 95th birthday, a look at Sir David Attenborough’s life and contributions to broadcasting and the natural world. Presented by BBC.