This is the story of an obsession that spiralled dangerously out of control.

This is a controversial film about a radical group of environmentalists who are challenging the movement they helped to create.

In 2009, 250 unknown soldiers from a First World War battle were discovered in mass graves in France. Can 21st century science give them back their identities?

A two-hour special showcasing the most incredible new extra terrestrial discoveries emerging through probes, telescopes, laboratories and field work around the world.

Unearthing real life horror stories of homes crawling with critters, overrun with rodents and plagued by pests hazardous to your health… and sanity.

Can six modern day builders, stripped of modern technology, build an authentic Roman villa, using only tools and materials known to the Romans, and a 25BC building manual?

We're taking you on an amazing journey, to reveal the cutting edge science that might make vacations in space, and travel to distant planets and solar systems, possible for us all in the future.

Eyewitness accounts of the tragedy of the sinking Concordia.

The story of the space shuttle - it's triumphs and disasters - and the dream of building an affordable and reusable spacecraft.

In just three days in April 2011, over 300 tornadoes battered the US in one of the most extreme weather events in history - killing hundreds, and destroying nearly everything in their wake.

The Bermuda Triangle: A vast stretch of ocean where ships disappear without trace and planes vanish into thin air. This is a fable that continues to grip our imagination and feed our fears.

An epic quest to discover the invisible forces and processes that sustain life on our planet and, for the first time, to see them in action in vivid detail.