Earth: A pale blue dot in the universe

During the Vietnam War, North Vietnamese VietCong guerrillas built a vast network of tunnels in the south of the country as part of the insurgency against the South Vietnamese government and their American allies. The tunnel network was a key base and shelter for the North Vietna ...  Show more

In 2012, the discovery of rock art in caves on the Indonesian island of Sulawesi changed our understanding of early human history. Archaeologist Maxime Aubert tells Leo Dunlop how his team used a new dating technique to reveal that some of the cave paintings were tens of thousand ...  Show more

The Voyager 1 spacecraft has traveled farther away from Earth than any human-made object. Candy Hansen and David Grinspoon talk about the Voyager mission, and its humbling perspective of our planet as a tiny blue dot in the blackness of space. 

Brian Cox and Robin Ince look back at Planet Earth from the unique perspective of space with the help of astronauts Nicole Stott and Chris Hadfield, Space scientist Carolyn Porco and comedian and author Katy Brand. What can we learn about our own planet by looking back at it from ...  Show more

NASA is an exploration agency, and one of our missions is to know our home. In the 1960s, NASA astronauts orbiting the Moon captured a revelatory view of Earth. Today, NASA explores our home planet with a fleet of dozens of spacecraft. In this episode–the first in a miniseries al ...  Show more

You might think you know Earth, but astronaut’s views from outer space help us see our world in a whole new light.