A recent, widely publicized research study has suggested that the ocean's «thermohaline» circulation that keeps the Earth's north polar region warmed by the flow of tropical water northward could suddenly shut down. (weatherquestions.com)
Storm systems and weather activity unlike anything encountered in the solar system are on view in these color images of Jupiter's north polar region from NASA's Juno spacecraft. (sciencedaily.com)
Cassini used its Ultraviolet Imaging Spectrograph to capture this final view of ultraviolet auroral emissions in Saturn's north polar region on Sept. 14, 2017. (astrobio.net)