“We were shocked at the high concentrations of microplastics we found in the deep-seafloor," lead author Dr. Ian Kane of the University of Manchester, said in a release from the university.

Direct evidence of animal life beneath the seafloor would require more heavy lifting — literally. “We kind of needed to be creative and apply basically a new method,” Gollner said.

Scientists have discovered a vast collection of underwater structures in a remote area of the Arctic, which offers a stunning new insight into the mysterious workings of this icy region. An ...

A more detailed and accurate global model of water depth would reveal the seafloor’s shape, and the data can be used to understand seabed composition. An Autonomous Underwater Vehicle (AUV) on deck.

Commercial Fishing Disrupts an ocean carbon sink driven by the seafloor. Image: Johner Images/Getty Images Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips ...

And tube worms were observed living several centimeters deep within the cracks of the seafloor near vents, but the study team wasn’t sure how tiny tube worm larvae, less than 0.04 inch (1 ...

A layer of amber tops a piece of sandstone. These sediments, unearthed from a quarry in Japan, were once on the deep seafloor. Formations in the golden resin hint at ancient tsunamis. A. Kubota et ...

Nauru Ocean Resources (NORI), a subsidiary of The Metals Company (NASDAQ: TMC), has begun sharing emerging data on the impacts of seafloor sediment plumes one year after its 2022 test mining campaign.

Research funded by Canada’s DeepGreen Metals claims undersea mining generates up to 70% less direct CO2 emissions, and up to 94% less pollution.