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

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

The first ice-free days of the Arctic Ocean could occur as soon as the 2020s or 2030s — as many as 10 years earlier than previous projections.

The Arctic Ocean's ability to absorb carbon dioxide from the atmosphere appears to be waning due to melting permafrost and worsening coastal erosion.

Arctic sea ice has declined significantly. Trends cannot be determined by looking at a short time frame over a few years.

The Arctic is warming nearly four times faster than anywhere else on Earth. In some areas of the Arctic Ocean, the warming rate is even up to seven times as fast.

Arctic ice is getting thinner by the day—and sea life is suffering A new study says the structural change has been abrupt, making life harder for everything from tiny algae to polar bears.

New research by an international team of scientists explains what's behind a stalled trend in Arctic Ocean sea ice loss since 2007. The findings indicate that stronger declines in sea ice will ...

Inside a Navy Submarine Navigating the Arctic A Times photojournalist embarked on a nuclear-powered attack sub to see how the Pentagon is training for a potential war below the frozen sea.

A study has highlighted the devastating effects that the warming waters of the Arctic Ocean are having on carbon emissions.

In the Arctic Ocean, sea ice is shrinking as the climate heats up. In the Western U.S., wildfires are getting increasingly destructive. Those two phenomena are thousands of miles apart, but ...

Back in March a modified Ford F-150 fell through some ice near the Tasmania Islands at the Arctic Circle. The truck was part of a circumnavigation journey ...