Natural Wonders

In the brutal world of deep caves, bacteria live in a miniature world of terror. The weapons they have evolved can defeat antibiotics – but now they are inspiring powerful new drugs.

Twenty years on, relive the iconic scene from Sir David Attenborough's Planet Earth that changed our understanding of how polar bears adapt to survive.

From bone-eating snot-flowers to snowboarding scale worms, when a whale dies it becomes a colossal island of nutrients – attracting weird and wonderful creatures to feast.

Decades after its release into the wild, a super-ageing, bone-crunching vulture called Balthazar reveals a major conservation success.

The fossilised bones of our ancestors remain silent. So, how can we possibly imagine what our earliest languages sounded like?

A photographer captured this extraordinary site where whales' bodies lie in the shallows, with troubling repercussions for the deep oceans.

In a historic former Soviet reserve in the magnificent Uzbek mountains, Michaela Strachan and India Latham find rare signs of the world's most elusive feline.

In the face of rising emissions from data centres, researchers are turning to micro-explosions in glass, and using DNA to solve big data's big problem.

Municipalities across the world are clearing their billboards of flight ads, SUVs, cruise ships and petrol cars in an attempt to cut emissions.

From Bangladesh to The Gambia, sea salt is increasingly seeping into the freshwaters people need for drinking and producing food.

China hopes to increasingly control when and where it rains. How is it done and does cloud seeding actually work?

As nations posture over access to rare earth deposits, scientists say these coveted materials are hiding in plain sight – and can be harvested without any conventional mining at all.

A warming climate and the use of artificial snow is making it more dangerous and difficult to compete at the Winter Olympics.