Blue Peter presenters Helen Skelton and Barney Harwood want to learn more about the solar system so they challenge scientists Helen Czerski and Jem Stansfield to find out more. They look at how to make telescopes and rockets, and use a toilet roll to measure the distances between planets.

Documentary about the Griffith Observatory, shown at their Leonard Nimoy Event Horizon Theater

This feature-length documentary is a portrait of eclipse chasers, people for whom solar eclipses - a...

Chaco Canyon, located in northwest New Mexico, is perhaps the only site in the world constructed in ...

Archival material from the original NASA film footage – much of it seen for the first time – plus in...

At the edge of our solar system supposedly lies an immense planet. Five to ten times the size of the...

Cave paintings and lunar calendars exist in the caves and remains of prehistoric hunters studied rec...

CERN and the University of California-Santa Barbara are collaborating in the search for the elusive ...

214 million years ago a gigantic meteorite broke up and impacted Earth. 65 million years ago, the im...

The history of the Ariane rocket is a space epic that has seen Europeans unite and innovate to make ...

For over three decades, NASA and an international team of scientists and engineers pushed the limits...

Part of the Almost Famous series. Jocelyn Bell was a graduate student at Cambridge in 1967 when she ...

Photo sequence of the rare transit of Venus over the face of the Sun, one of the first chronophotogr...

The show tells a thrilling story of the most remarkable space mission in human history.

Nowadays we associate Johannes Kepler with his famous laws of planetary motion. But the history of h...

Host Neil deGrasse Tyson tackles one of science's major challenges in each segment of Where Did We C...

For thirty years, NASA's Hubble Space Telescope has discovered new alien worlds, black holes, and th...