BIO researcher Mari Heggernes Eilertsen and BIO PhD fellow Christian Nilsson are currently aboard the Kronprins Haakon research vessel, participating in the EXTREME25 expedition exploring the Arctic’s extreme ecosystems which aims to develop innovative methods for examining and preserving these challenging habitats, both within the Arctic and globally.
The international team lead by the Arctic University of Norway has reported a remarkable discovery of a venting system on the seafloor of the Arctic:
A distinctive oceanic core complex releasing hot fluids has been identified at a depth of 2,700 meters
on the Arctic Ocean’s floor. This finding opens the way for new research into hydrothermal, deep-sea
ecosystems, and Arctic geology.
To learn more, read the expeditions press release of 18 November 2025 or this news article at uit.no