Sharks have roamed the open seas for close to half a billion years and have witnessed the Earth’s evolution from a primordial ...

nearly invisible in the dim aquatic light. What makes them truly haunting, though, is the havoc they wreak on marine life, particularly sharks. In this underwater tragedy, ghost nets emerge as ...

The Port of London Authority said the Thames had an "abundance of aquatic life with occasional visits from dolphins, porpoises and even whales". But, it said, it was "unlikely that any sharks ...