July 15 marks World Arctic Sea Ice Day, a campaign organized by Polar Bears International to raise awareness about the rapid ...

Tuesday is "Arctic Sea Ice Day," created underscore the needs of animals in northern Canada threatened by Arctic sea ice melt ...

For decades, scientists believed the Arctic Ocean was sealed under a massive slab of ice during the coldest ice ages — but ...

From more frequent wildfires to rising sea levels, climate change is disrupting ecosystems and upending once-stable weather patterns. One particularly alarming consequence of rising global ...

For years, scientists have debated whether a giant thick ice shelf once covered the entire Arctic Ocean during the coldest ...

Twenty-five research projects are set to receive funding from a Canadian northern research network to better understand the ...

Evidence of algae growth and climate simulations reveal the Arctic had seasonal ice, not a permanent ice shelf, for much of ...

Scientists link Antarctic record sea ice loss to an unexplained spike in ocean salt levels, raising concerns about ocean stability.

The following is the July 2, 2025, Congressional Research Service report, Changes in the Arctic: Background and Issues for Congress. From the report The diminishment of Arctic sea ice has led to ...

New research is challenging the ongoing debate about the Arctic's glacial past, suggesting that the region may never have ...

Since the Cold War, the United States and many of its North Atlantic Treaty Organization allies have regarded the Arctic as a ...

New research challenges the long-held belief that the Arctic Ocean was covered by a massive ice shelf during ice ages.