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?

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

A differing group of people – a wildlife photographer, a marine biologist, a whale rescuer, and a cr...

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

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

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...

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

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

Forensic experts scan Pompeii’s victims to investigate why they didn’t escape the eruption.

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

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

Druids have existed far longer than hitherto assumed, since the 4th century BC. Their traces are fou...

In the brief period of peace after a terrible war on a far future Earth, an outer-space military aca...

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