Arctic | smithsonianmag.comhttps://www.smithsonianmag.com/rss/tag/arctic/RSS feed for ArcticenWed, 08 Jul 2026 15:36:06 +0000The Arctic Ocean May Have Passed a Crucial Tipping Point That Could Harm Food Webs and Worsen Climate Changehttps://www.smithsonianmag.com/smart-news/the-arctic-ocean-may-have-passed-a-crucial-tipping-point-that-could-harm-food-webs-and-worsen-climate-change-180989083/Sea ice loss seems to have triggered a decline in the nutrient nitrate, affecting the tiny organisms that form the foundations of marine food chains and absorb atmospheric carbon dioxide, according to a new studyWed, 08 Jul 2026 15:36:06 +0000https://www.smithsonianmag.com/smart-news/the-arctic-ocean-may-have-passed-a-crucial-tipping-point-that-could-harm-food-webs-and-worsen-climate-change-180989083/A New Expedition Will Create 3D Digital Twins of Polar Shipwrecks Tied to Voyages of Rival Explorers Who Raced to the South Polehttps://www.smithsonianmag.com/smart-news/a-new-expeditiion-will-create-3d-digital-twins-of-polar-shipwrecks-tied-to-voyages-of-rival-explorers-who-raced-to-the-south-pole-180989074/Robert Falcon Scott led an expedition aboard the ship ‘Terra Nova’ and Ernest Shackleton led one from the ship ‘Quest’—but neither explorer got to plant the first flag in the heart of AntarcticaMon, 06 Jul 2026 17:44:29 +0000https://www.smithsonianmag.com/smart-news/a-new-expeditiion-will-create-3d-digital-twins-of-polar-shipwrecks-tied-to-voyages-of-rival-explorers-who-raced-to-the-south-pole-180989074/