Swim along the edge of a coral reef and you'll often see schools of sleek, torpedo-shaped fishes gliding through the currents, feeding on tiny plankton from the water column. For decades, scientists ...

David Smith, a retired print technician from the north of England, was pursuing his hobby of looking for interesting shapes when he stumbled onto one unlike any other in November. When Smith shared ...

‘The spectre’: one of the extraordinary new repeating shapes discovered by a British pensioner – Copyright AFP Sam Yeh David Smith, a retired print technician ...