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Luis Lamar

The Nereid Under Ice submersible starts its exploration of the ice-covered Arctic waters off Greenland in October.

The bright orange Nereid Under Ice vehicle gets lowered into Arctic waters from the Kronprins Haakon. The high-tech submersible was nearly lost to the deep, and the team mostly relied on a non-steerable camera towed behind the ship to find and record scenes from the Aurora vents.

The icebreaker Kronprins Haakon cuts a dark path through Arctic ice cover as scientists with the Woods Hole Oceanographic Institution get ready to launch the Nereid Under Ice robotic submersible.

A NASA remotely operated vehicle investigates the waters underneath multi-year ice sheets in the high Arctic Ocean.

NASA scientist Kevin Hand (left), engineer Andrew Klesh, and biologist Dimitri Kalenitchenko of UiT–The Arctic University of Norway investigate the ice cover over the Aurora hydrothermal vent field during the October expedition. The team is interested in whether the ice above the vent holds signatures of the chemistry and biology churning along the seamount far below.