Ocean

A photographer captured this extraordinary site where whales' bodies lie in the shallows, with troubling repercussions for the deep oceans.

From The Gambia to the US, sea salt is increasingly seeping into the freshwaters people need for drinking and producing food.

Beaked whales are rarely spotted. Now scientists are using underwater sounds to help identify these elusive creatures.

During the lockdowns of 2020, global shipping was severely restricted and ocean noise pollution all but ceased. Instead the songs of fish filled the sea.

Under the surface of the ocean, "constellations" of towering subsea mountains dot the Earth – and they are teeming with sharks.

The photo shaped the world's perception of the existential threat climate change poses to low-lying island nations.

The sudden decimation by bird flu of the world's largest seal species has sent shockwaves through the scientific community, and the ecosystems shaped by these majestic animals.