Arctic sea ice has receded ever further, including increasingly in winter when the extent of sea ice is at its most prominent ...

More than one-fifth of the global ocean—an area spanning more than 75 million sq km—has been the subject of ocean darkening over the past two decades, according to new research.

The Arctic Ocean has always been a region that’s fascinated University of Delaware doctoral student Tianyu Zhou. While most of humanity lives in the world’s temperate zone, the polar ocean seems like ...

The Arctic Ocean may be the world's smallest, but it's becoming a critical region as climate change warms it more quickly than anywhere else on Earth.

Science News: A groundbreaking seafloor map of the Arctic Ocean reveals an area twice the size of France, part of the global Seabed 2030 project. This discovery enh ...

China’s Coast Guard claimed it entered waters of the Arctic Ocean for the first time as part of a joint patrol with Russia – in the latest sign of enhanced coordination between the two in a ...

As Earth warms, the Arctic Ocean’s ability to absorb carbon dioxide from the atmosphere is waning due to melting permafrost and worsening coastal erosion, according to new research.

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.

To get to the Arctic Ocean, some PFAS hitch a ride in the air and fall onto the ocean’s surface, but others enter from adjacent oceans. The potential impact of these compounds on marine organisms ...

A bowhead whale and calf are seen swimming in an open-water lead the Arctic Ocean in this undated photo. A new study appears to be the first to document the presence of PFAS compounds, known as ...

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 ...