It’s hard to picture now, but Earth’s deep blue oceans were once green. According to a new study by Japanese researchers, ...

Earth's oceans, known for their deep blue hue, could one day undergo color shifts, say scientists. A report based on a study ...

Historical accounts of vast ocean waters glowing in the dark go back hundreds of years, and researchers are still trying to ...

The oceans wore a green hue billions of years ago and if cameras existed, Earth would have looked emerald green from up above ...

"Milky seas” are one of the rarest reported forms of bioluminescence. A new scientific database may finally reveal the ...

I noted that in his much-overlooked book Britain and the British Seas, the great geopolitical thinker Sir Halford Mackinder ...

The world’s oceans cover more than two-thirds of our planet. Yet, until now, there has been no international framework to ...

Green oceans on early Earth, shaped by iron, pushed microbes to evolve light-absorbing tools that worked in green light.

While climate change may not be creating more hurricanes, experts say it's clearly making them stronger—and more dangerous.

Phytoplankton are crucial because they form the base of the aquatic food web and produce oxygen through photosynthesis. This plant life helps the oceans generate 50% of the world’s oxygen, absorb 25% ...