The world's most ambitious tunnel is being built in Norway. It will consist of 4,000 ft long concrete tubes suspended under 100 feet.
Stories of lost civilizations, like that Atlantis, have intrigued the old and young alike – mesmerized at the idea of how an entire civilization could just vanish and have little known about it.
Tiny marine snails known as sea butterflies appear to "fly" underwater much like winged insects do when taking to the sky – representsing a remarkable example of convergent evolution, where two unrelated species develop features that are used in similar ways.
Researchers at University of Hawaii-Manoa and the University of Tokyo have found, to their surprise, that two types of deep-sea sharks have positive buoyancy – they float even when not moving – unlike most other sharks.
A US company is preparing for a flooded future by starting development of underwater houses located as deep as 60 feet below the surface in Fiji.
The world's largest solar-powered boat will be helping experts in an ambitious underwater survey of one of the oldest human settlements in Europe. The crew of the MS Turanor PlanetSolar hope to showcase the power of green technologies, even while mapping the submerged region in a search for thousand-year-old evidence of farmland and earth-work.
The grandson of the great 20th-century oceanographer Jacques-Yves Cousteau will attempt to break his grandfather's underwater record by spending 31 days under the sea.