We’re all taught that water is clear, so why does the ocean look so strikingly blue when we’re staring out at it? It turns out the colour isn’t about the water itself being blue, but about how light ...

Down here, the only flashes of light come from animals’ bioluminescent bodies. Deep sea anglerfish, whose huge mouths hold ...

The bathypelagic zone of the ocean is 1,000 to 4,000 meters below the surface. Sometimes it's called the midnight zone because it's too deep for sunlight to reach. Most animals here are much smaller ...

We know next to nothing about 99.999 percent of the seafloor. How one researcher plans to democratize deep-sea exploration. Katy Croff Bell, who has been an ocean researcher for 25 years, is working ...