The Arctic Ocean has been warming since the onset of the 20th century, decades earlier than instrument observations would suggest, according to new research.. The study, published Wednesday in the ...

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

As the Arctic Ocean warms and sea ice shrinks, will the newly exposed sea surface see a plankton population boom and a burgeoning ecosystem in the open Arctic Ocean? Not likely, say a team of ...

The Arctic Ocean has been getting warmer since the beginning of the 20th century -- decades earlier than records suggest -- due to warmer water flowing into the delicate polar ecosystem from the ...

The Arctic Ocean is many things. Cold and icy come to mind, of course, but "salty" should as well—it’s an ocean, after all. Yet a new study suggests that during certain ice age periods, the ...

Former NFL tight end Jimmy Graham has conquered a new frontier -- not on the football field, but across the frigid waters of ...

A music festival in Utsjoki, Finland, brings Sámi culture to the spotlight under the midnight sun. Rapper Mihkku Laiti, also ...

The Arctic Ocean has been warming since the beginning of the 20th century, fueled by a process known as Atlantification, according to a new study published Wednesday in the journal Science Advances.

Some projections say that by 2040 the Arctic Ocean may see its first ice-free summer in modern history. That means mixed emotions for young scientists seeing the ice for the first time.

The Arctic Ocean may be ground zero for climate change.According to a study published in Geophysical Research Letters, runoff from the Mackenzie River in Canada is causing the ocean to release ...

The Arctic Ocean has a unique structure to begin with — it contains layers of warmer and colder waters resting on top of one another, capped off with a covering of sea ice, ...

For comparison, recent years have seen the Arctic Ocean with a minimum sea ice cover in September of around 1,274,000 square miles, which is about a third of the area of the US.