For World Ocean's Day, we're taking a look at how human activity could be contributing to darker oceans, and what that may ...

A new study published in Global Change Biology reveals that over 20% of the world ... the ocean’s photic zone, the uppermost layer where sunlight supports photosynthesis, to shrink dramatically.

Sound is the primary means of tracking subs in vast ocean expanses, and research shows that it’s behaving differently as the ...

The world’s oceans regulate climate, provide food and sustain life across the planet. They generate over half the oxygen we breathe and absorb nearly a quarter of global carbon dioxide emissions.

They found that 21 per cent of the global ocean has darkened, and more than 9 per cent -- or 32 million sq km -- saw the photic zone shrink by more than 50 metres. In 2.6 per cent of the world's ...