Earth

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.

The best view will be on Sunday evening at sunset.

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.

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