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

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

Organic gardening helps predators such as ladybirds, which ...

Bringing you some of the gardening news highlights

Amid a rugged landscape, this detailed garden in south-west Scotland is full of glorious spring blossom

Professor Buczacki is a horticultural expert, writer and ...