We are so used to the oceans being blue we use it as a signifier everyone recognizes on maps. However, the color is not ...

For ages, Earth has been known as a blue planet, a vision largely shaped by the vast oceans that cover three-quarters of its ...

including that on alien worlds Imagine the world’s oceans with their beautiful blue color. Now, imagine that the same oceans were green. This is the intriguing possibility suggested by new ...

So how did cyanobacteria survive in a world where ... t be a “pale blue dot” to host life. A pale green dot — bathed in iron-filtered light — might be just as biologically promising. Spectral ...

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.

In fact, there may have been a time when they weren’t blue at all. According to researchers at Japan’s Nagoya University, Earth’s earliest oceans glimmered with green hues for over 2 billion ...

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

Almost certainly, the colour of the oceans changed gradually during this period and potentially oscillated. This could explain why blue-green algae evolved both forms of photosynthetic pigments.

Almost certainly, the colour of the oceans changed gradually during this period and potentially oscillated. This could explain why blue-green algae evolved both forms of photosynthetic pigments.

Almost certainly, the color of the oceans changed gradually during this period and potentially oscillated. This could explain why blue-green algae evolved both forms of photosynthetic pigments.

Almost certainly, the colour of the oceans changed gradually during this period and potentially oscillated. This could explain why blue-green algae evolved both forms of photosynthetic pigments.

making the planet look like a pale blue dot from space. But Japanese researchers have made a compelling case that Earth’s oceans were once green, in a study published in Nature. The reason Earth’s ...