In September 2023, a global seismic mystery began to unfold. Every 90 seconds, the Earth pulsed with a strange, low-frequency ...

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

The remains of landscapes thought to have formed when ancient rivers flowed across East Antarctica have been discovered—and ...

Satellite imagery has revealed a yet-to-be-explained rise in the Southern Ocean's salinity. It could be a key factor in the decline of the region's sea ice.