New research shows ocean currents like the AMOC are weakening, causing coastal flooding in the U.S. Northeast to double since 2005. Sea level rise and currents pose growing infrastructure risks. The ...

Antarctic sea ice began to change rapidly in 2015 and 2016. Since then it has remained well below the long-term average.

Evidence of algae growth and climate simulations reveal the Arctic had seasonal ice, not a permanent ice shelf, for much of the past 750,000 years. These insights challenge long-standing theories. For ...