This marks the first time it has been observed alive in its deep-sea environment. Still transparent due to its young age, the squid glides eerily through the dark ocean using its long tentacles.

A mysterious creature never seen alive since its discovery in 1925 has now been filmed for the first time. We knew the ...

SEE ALSO: A dominant shark lurks in the deep, dark ocean. Meet the sixgill ... the South Sandwich Islands in the Atlantic Ocean. The squid was swimming at some 1,968 feet, or 600 meters, beneath ...

As deep-sea robots continue to evolve, they hold the potential to discover new life forms—true deep-sea "aliens"—and unlock secrets hidden in the abyss.

Bioluminescent bacteriaObservers often describe milky seas as similar in color to glow-in-the-dark stars ... in the ocean, which is when the cooler, nutrient-rich water from the deep ocean is ...

Glass sponges create deep-sea habitats for other organisms much like coral reefs do in shallower waters. The team turned up some of its most bizarre finds in dark ocean expanses between seeps and ...

DolphinGemma, announced today, aims to find out what the slippery ocean mammals are saying, and potentially even how we can ...