Explained: What the delayed elephant census says about India’s 22,446 jumbos and their future

A change in methodology has meant that the latest estimates of India’s elephant population are not directly comparable with ...

This rare fish’s swim bladder is worth more than gold but its price could kill the world’s rarest mammal

A rare fish, the Totoaba, faces extinction due to illegal fishing for its valuable swim bladder, called fish maw. This ...