A look at the rising impact of global warming on Alaska, where communities face being lost underwater as the ice recedes.

Petroleum-rich Qatar is spearheading projects to tackle the problems facing desert communities worldwide; from energy to fresh water and food production. But does their expensive, high-tech solution make sense

Coffee drinkers love East Timor’s green beans but farming remains a life and death struggle in Asia’s poorest nation.

Around the world, a new generation of astronomers are hunting for the most mysterious objects in the universe.

Using revolutionary cameras, the directors have made an amazing chronicle of the insect world. There are at least a dozen fascinating, memorable images, and the carnage is held to a […]

Risking injury and incarceration, an environmental activist disrupts the clear-cutting of an ancient redwood grove by sitting on a tiny platform a hundred feet up in the tree canopy.

One of the primary tools for measurement and observation is imaging using cameras connected to powerful telescopes on Earth and in space.

A wonder of the world’s oceans: Whale sharks, the largest known extant fish species.

European white truffles sell for as much as $3,600 a pound, but harvests are down and a black market has emerged — none of which has dampened the appetite for […]

Environmentalists race to save Australia’s Great Barrier Reef as port expansions threaten its World Heritage status.

Living in the depths of the New Guinea rainforest are the spectacular birds of paradise – creatures so beautiful that the first Europeans believed they must have fallen from heaven.

Chagas is a deadly disease that has affected millions of people, but one Argentinian doctor is trying to stop it.

The film examines the great promise of the Voyager mission and where it will lead us in our grand ambition to move out beyond our home planet.