In the twilight depths of the Gulf of Mexico, about as deep down as a football field is long, U.S. Navy divers carefully snip ...

For national and international policymakers, decisions on how to regulate — and whether to allow — exploitative human ...

Oceans around the globe have become darker over the last two decades, leaving researchers fearful for their marine inhabitants, according to a new study.

To survive the deep ocean, sea creatures need all kinds of adaptations that give them alien-like appearances, like huge eyes ...

Far beneath the wavetops, down into the dark ocean depths, a rarely seen crustacean makes its home. It's called Alicella ...

The deep sea begins at about 200 meters below sea level, where light starts to diminish in a region called the twilight zone.

Critics call for an industry moratorium until more scientific data can be obtained about fragile deep sea ecosystems.

On April 24, President Trump signed an executive order promoting deep-sea mining in the US and international waters, touting ...

A new review of ocean data suggests that more than 99.999 percent of the global deep seafloor has never been seen by humans. But what does that really mean?

Outside the ship’s windows, the sun glinted off the dark-blue water ... too shallow and close to the shore to draw interest from deep-sea mining companies but still too deep to be reachable ...

Bizarre creatures like vampire squid and blobfish make their home in the dark, cold ... you can only see a very tiny bit of the deep sea floor at any one time," says Katy Croff Bell of the ...