Almost all life in the ocean depends on the upper waters where sunlight filters in, known as the photic zone – but new ...

Darkening oceans could cause massive problems for marine life, and over 21% of the ocean has grown darker in the last 20 ...

The photic zone, where sunlight penetrates and sea creatures survive, is considerably shallower in most places now.

Excessive phytoplankton growth can choke the sea surface with a jelly-like layer of slime known as "sea snot" as ocean temperatures increase (Credit: Getty Images) Record ocean temperatures ...