The NOAA ship Okeanos recently completed an exploration of the deep Marianas Trench. Here’s a few of the things they found:
Acorn worms were just one of the many types of strange fauna observed at Twin Peaks. Image courtesy of the NOAA Office of Ocean Exploration and Research, 2016 Deepwater Exploration of the Marianas.
One of the unusual benthic platyctenid ctenophores documented during Dive 5 at Ahyi Seamount. Image courtesy of the NOAA Office of Ocean Exploration and Research, 2016 Deepwater Exploration of the Marianas.
ROV Deep Discoverer discovers a B-29 Superfortress resting upsidedown on the seafloor. This is the first B-29 crash site found of over a dozen American B-29s lost in the area while flying missions during World War II. Image courtesy of the NOAA Office of Ocean Exploration and Research, 2016 Deepwater Exploration of the Marianas.
More here.