Many millions of dollars of prime-eating fish are being wasted as the number of bull sharks increase dramatically, an experienced Queensland fisherman says.

Tsingy de Bemaraha National Park, in northwestern Madagascar, is filled with breathtaking shards of karst limestone. Creating a landscape of sharp, jutting rock, centuries of erosion have eaten away ...

In a small patch of rainforest in northern Australia, a “bright”-eyed creature perched on a bush and called out. Its “whirring” sounds were meant to attract potential mates — but hooked nearby ...