Animals and plants around the world are not randomly distributed. They appear to follow trends and patterns. But it's often difficult to figure out if the patterns we see in the natural world actually ...

Scientists trying to work out where a starfish’s head is have come to a startling conclusion: it is effectively the whole animal. As well as solving this longstanding mystery, the finding will help us ...

A close-up photo of the common sunstar (Crossaster papposus), a starfish found in the North Atlantic and Pacific oceans. Photo: © Alexander Semenov Invertebrates ...