Antarctic sea ice is more than just a platform for penguins. The sea ice's high reflectivity influences the whole Earth's ...

On her first dedicated scientific voyage to Antarctica in March, the Australian icebreaker RSV Nuyina found the area sea-ice ...

For decades, scientists believed the Arctic Ocean was sealed under a massive slab of ice during the coldest ice ages — but new research proves otherwise. Sediment samples from the seafloor, paired ...

New research reveals Antarctic sea ice has hit record lows three times since 2017, creating cascading effects on global ...

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

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

Ice cover delays volcanic eruptions, allowing magma to build up heat and pressure underground. When released, this leads to ...

A massive and surprising change is unfolding around Antarctica. Scientists have discovered that the Southern Ocean is getting ...

Emperor penguin populations are falling much faster than expected. Ice is melting beneath their chicks before they’re ready.

In recent years, the Southern Ocean has undergone one of the most dramatic environmental shifts observed anywhere on Earth.

The following is the July 2, 2025, Congressional Research Service report, Changes in the Arctic: Background and Issues for ...

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