Earth's oceans could one day turn purple. Nearly three fourths of Earth is covered by oceans, making the planet look like a pale blue dot from space. But Japanese researchers have made a compelling ...

A new study suggests that the Earth’s oceans may have changed color over time and could change again in the future, depending ...

New research claims that Earth's oceans could one day turn purple as our ongoing fight with climate change continues.

An important conservation message is shared in 9-year-old Sora U.’s work, titled Wildlife. The artist uses trees, an owl, ...

Earth's oceans were once green, according to a new study. Carl Sagan, the host of the popular TV show Cosmos, once described Earth as a 'pale blue dot' when explaining an image taken by Voyager 1.

It’s hard to picture now, but Earth’s deep blue oceans were once green. According to a new study by Japanese researchers, early photosynthesis helped shift the colour of our seas. The ...

The "Blue Marble" was the first photo of the whole Earth and the only ever taken by a human. Fifty years on, new images of ...

Marcella LeBeau Elementary School students will root for the LeBeau Bears and don blue and green when the school opens Aug.

Blue-green algae thrive in the green waters surrounding ... Before the rise of photosynthesis and oxygen, Earth's oceans contained dissolved reduced iron (iron deposited in the absence of oxygen).