The world's frozen oceans, which help to keep the planet cool, currently have less ice than ever previously recorded, satellite data shows. Sea-ice around the north and south poles acts like a ...

Antarctic sea ice has again fallen to a near-record low as a new study shows the system is undergoing a significant "structural change". Scientists have been using satellite images over the past ...

Sea-ice around the north and south poles acts like a giant mirror by reflecting much of the Sun's energy back into space. But as rising temperatures cause this bright layer to shrink, the dark ...