Stargazing Challenges

At the edge of our solar system supposedly lies an immense planet. Five to ten times the size of the Earth. Several international teams of scientists have been competing in a frantic race to detect it, in uncharted territories, far beyond Neptune. The recent discovery of several dwarf planets, with intriguing trajectories, have put astronomers on the trail of this mysterious planet. Why is this enigmatic planet so difficult to detect? What would a ninth planet teach us about our corner of the universe? Could it help us unlock some of the mysteries of our solar system?

Billions of years ago, Venus may have harbored life-giving habitats similar to those on the early Earth. Today, Earth's twin is a planet knocked upside down and turned inside out. Its burned-out surface is a global fossil of volcanic destruction, shrouded in a dense, toxic atmosphere. Scientists are now unveiling daring new strategies to search for clues from a time when the planet was alive.

A long time ago, years before Elon Musk reached for the stars with his Space X project, a young man had his own childhood dream about a journey into space. This documentary tells the fantastic story of German astrophysicist Lutz Kayser who developed the world's first private space company. He did this under the curious and concerned eyes of secret services around the world.

Stunning slow-motion and timelapse cinematography of the landscapes, people and wildlife of the American South West.

Following engineers and scientists on a groundbreaking mission as they build, test and launch the James Webb Space Telescope, the most powerful observatory ever constructed, and discovers the astonishing cosmological mysteries it will investigate.

The history of the Ariane rocket is a space epic that has seen Europeans unite and innovate to make a place for themselves in the space race. Faced with Soviet and then American supremacy, men and women from the four corners of Europe have achieved the impossible. Ariane has become a true monument, thanks to the passion of those who dreamed of it and to their tenacity in the face of the various obstacles that stood in their way. This undeniable European success is now at a turning point in its history. The new Ariane 6 program is currently being developed to meet the challenges of tomorrow: will it be able to meet the challenges of a more competitive environment than ever before?