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

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

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 ...

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

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

Retreating glaciers - rivers of ice shrinking back as the world warms - are the most tangible and direct evidence of climate ...

A study published Monday in the Proceedings of the National Academy of Sciences found that increases in salinity in seawater ...

Lava flows, near mile-thick glaciers and ice age floods layered and carved up this landscape.

Modern-day environments in Antarctica contain ponds filled with life forms that closely resemble early multicellular ...

A submersible revealed hidden ice structures under the Antarctic before vanishing, highlighting the complexities of ice shelf melting dynamics.

Antarctica's annual maximum sea ice extent in September 2023 was the lowest on record, with approximately 1.75 million square kilometers less sea ice than normal—an area equivalent to about 6.5 ...

View from under the sea ice in McMurdo Sound, with the sub-ice platelet layer extending down into the water. The green-yellow tinge shows thriving microalgae living within the reef-like structure.