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?

Why did the Roman Empire, which dominated Europe and the Mediterranean for five centuries, inexorabl...

How were the giant stone heads of Rapa Nui – also known as Easter Island – carved and raised, and wh...

The sun is the miracle that makes everything possible - but also the greatest danger. For the first ...

Discovered about twenty years ago, the immense masses of water vapor that fly over the Amazon, calle...

The dynamic meeting of solid science and futuristic simulation culminates in a dramatic exploration ...

Ring of Fire is about the immense natural force of the great circle of volcanoes and seismic activit...

Billions of years ago, Venus may have harbored life-giving habitats similar to those on the early Ea...

This documentary delves into the mysteries surrounding the Neanderthals and what their fossil record...

The first American space station Skylab is found in pieces scattered in Western Australia. Putting t...

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

Based on the famous Gustav Holst musical suite, this musical film takes watchers on a magnificent jo...

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

The first feature from Alison McAlpine is a dialogue with the heavens—in this case, the heavens abov...

In October 2023, a European research team succeeded in generating an enormous amount of energy from ...