From a ballet of white-tip reef sharks to a cardinal fish releasing freshly hatched babies from its mouth, these underwater ...

The divers also discovered patterns of underwater sea life behaviour and several new species. Today all that remains of Conshelf II is the garage for the submarine, some shark cages and a tool shed.

Climate Central's Google Earth plug-in shows what US cities would look like in the most extreme cases of sea-level rise. The tool estimates which areas of cities could be underwater by 2100 if sea ...