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 ...

Sea ice is frozen ocean water that melts each summer, then refreezes each winter. The Arctic is warming more than twice as fast as the rest of the planet.

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

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

The Arctic is seeing a rapid decline in sea ice even during the cold winter months when it should be recovering from the summer melt. Scientists say that one, often overlooked, factor is playing a ...

Sea ice affects Arctic communities and wildlife such as polar bears and walruses. As the climate changes, the Arctic is warming more than twice as fast as the rest of the planet.

Scientists believe the Arctic sea ice, or the floating ice cover of the Arctic Ocean, has reached its minimum extent for the year, shrinking to the second lowest extent since record-keeping began ...

Arctic sea ice has melted to the second-lowest level in 42 years, according to the National Snow and Ice Data Center, a trend experts say shows how climate change is impacting the vulnerable ...

On a sparkling day in May, the nearly 300-meter-long tanker Christophe de Margerie set sail from the northern Russian port of Sabetta. Crossing the so-called Northern Sea Route in the Arctic ...

Sea ice in the Arctic Ocean has reached its minimum extent following the summer melt season, and coverage is not as low as it has been in recent years, scientists said Wednesday.

Researchers are warning that Arctic Ocean sea ice is melting at an even faster pace than previously thought — and the region could experience its first ice-free conditions sometime before the 2030s.