NASA confirms the existence of TOI‑1846 b, a nearby hot super-Earth that could contain water, initially observed by NASA's ...

For most of human history, Earth has been known as the “Pale Blue Dot,” a term popularized by astronomer Carl Sagan when referring to the iconic 1990 image taken by Voyager 1. But for billions of ...

Earth's oceans, known for their deep blue hue, could one day undergo color shifts, say scientists. A report based on a study published in Nature suggests that our oceans have not always been blue ...

Earth’s oceans may not have always been as brilliantly blue as they are today. In fact, there may have been a time when they weren’t blue at all. According to researchers at Japan’s Nagoya ...

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 case that Earth's oceans were once green, in ...

Scientists believe that sometime between 3 billion and 600 million years ago, Earth’s oceans had a very different appearance. Instead of reflecting blue light, they may have been glowing green ...

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 case that Earth's oceans were once green ...

We’ve always called Earth the blue planet, but that color might not be permanent. Previous research claims our oceans were once green, and if environmental conditions shift dramatically, a new ...

New study reveals Earth's oceans were once green due to iron and cyanobacteria. Could sulfur levels turn them purple in the future? For ages, Earth has been known as a blue planet, ...

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.