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 ...

Most of us are vaguely familiar with the brittle star -- the slender, five-armed cousin of the starfish. But perhaps you were not aware of how amazingly ubiquitous they are throughout all the oceans ...

Starfish embryos can organise themselves into large, oscillating crystals at the surface of water. These structures, which had never been seen before, may form because of the embryos’ swimming style ...