Gila monster

Piranhas have a reputation as some of the most dangerous freshwater hunters: terrifying predators capable of devouring a large mammal in mere minutes. Hollywood horror films have a lot to answer for.

An ecosystem evolves across thousands of years, a biological interaction that is both intricate and fragile. The arrival of a new species can disrupt the balance, as we have seen in Britain with grey

Amazing answers to your curious questions

Clouds of noxious gas, stink bombs and purple smokescreens may sound like schoolboy pranks, but the animal world is just as capable of executing arresting chemical warfare, says Deborah Nicholls-Lee

Shaped by the Sonoran Desert and the Salt River, Scottsdale blends luxury with nature-led wellness experiences rooted in its copper-toned cliffs and cactus-studded landscape.

For most of the year, greater sage-grouse keep a low profile, blending into their vast sagebrush home across the American West. But come the breeding season, the males suddenly take centre stage – and