Grouper and coral trout signal giant moray eels and octopuses to hunt prey.
Starlet sea anemones are great at rebranding.
These critters are a lot less lame than we thought
Some blenny fish spend nearly their entire lives out of the water
Some animals and plants stand to gain plenty.
"Cabled observatories" will give scientists a better picture of the unknown
Researchers have found some nasty microbes in turtles off the coast of Mexico
But Thalattoarchon saurophagis was slightly less adorable than a dolphin.
A cave looks like it once held more scrolls, but they're long gone
With the worldâ€™s wild fish stocks plummeting, experts say that something must be done to ensure our seafood supply. Are offshore fish farms the solution?
Invasive species like the lionfish must be controlled
Regulation is lagging behind industry.
Armed with better batteries and stronger materials, new submersibles aim to go deeper than ever before and open up the whole of the unexplored ocean to human eyes
Fabien Cousteau and his team are setting out to break the record for living in an underwater habitat.
Computational modelling suggests human land use leads to more infection at sea
Or how they might come back to join us
Robert Ballard's latest initiative puts a remote-control ROV at your fingertips -- and America's little-seen underwater national parks in full view.
For a 24-hour view of one of the most vibrant coral reefs on Earth, book a room at the world's first underwater hotel
Harvesting thermal energy from the oceans takes some powerful engineering