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?

Our planet is running out of drinking water. Only a vanishingly small proportion of the world's wate...

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

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

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

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...

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

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

European Space Agency astronaut Alexander Gerst and his NASA colleague Reid Wiseman are launched int...

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

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

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

Although a real awareness of the populations is underway - the multiplication of natural disasters a...

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

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

Since the summer of 2020, boats along the Atlantic coast from the Strait of Gibraltar to the Bay of ...

This movie explores the saga of the telescope over 400 years - the historical development, the scien...