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

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 ...

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, in ...

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 ...

New research suggests Earth’s early oceans were not blue—but green. Rich in iron and glowing with microbial life, they looked nothing like the oceans we know today.

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 ...

The deep blue sea may not have always been so blue. A new study suggests that the Earth's oceans may have changed color over time and could change again in the future, depending on the chemical ...

A plume of molten rock deep beneath eastern Africa is pulsing upward in rhythmic surges, slowly splitting the continent and ...

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.

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, ...