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

The ocean around Antarctica is rapidly getting saltier at the same time as sea ice is retreating at a record pace. Since 2015 ...

Even during the coldest 750,000 years, the Arctic Ocean had open water and sustained life thanks to seasonal sea ice. “Our ...

A salty surge in the Southern Ocean is melting Antarctic sea ice from below — and causing dramatic changes scientists didn’t ...

A massive and surprising change is unfolding around Antarctica. Scientists have discovered that the Southern Ocean is getting saltier, and sea ice is melting at record speed, enough to match the size ...

A sudden salinity spike in the Southern Ocean is accelerating Antarctic ice loss and triggering a dangerous climate feedback ...

In two recent studies, researchers suggest a weakening ocean current system is to blame for a persistent cold spot in the ...

Normally, the cold, fresh surface water sits on top of warmer, saltier water deep below. This layering (or stratification, as scientists call it) traps heat in the ocean depths, keeping surface ...

The ocean around Antarctica is changing in unexpected ways. Since 2015, sea ice surrounding the frozen continent has been ...

You probably know polar bears as the big white animals roaming the Arctic, but there’s a lot about them that doesn’t make it ...

A beach day is a rite of passage during the summer months. While it’s wonderful to lie out in the sun with a cold beverage and a new book, or cool off in the ocean, beaches come with some surprising ...

Families flock to the UK’s many beaches during hot spells for fun in the sun and to cool off in the sea but there are many ...