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

It will lead to more purple, brown, or green hues in coastal or stratified areas, with less deep blue color in water as ...

The ocean was most likely green, and it might not have been blue forever. Japanese scientists from Nagoya University first ...

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 changes in ocean chemistry were gradual. The Archaean period lasted 1.5 billion years. This is more than half of Earth’s history. By comparison, the entire history of the rise and evolution of ...

700 metres below the surface of the Atlantic Ocean was a hydrothermal field, often described as a geological area where hot ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Languages: English. You can get in touch with Joe by emailing [email protected] Earth's oceans, known for their deep blue hue, could one day undergo color shifts, say scientists.

What are some of the largest extraterrestrial impacts to effect Earth? Learn what we’ve seen in history, and what is ...

The ocean naturally pulls in about a quarter of the carbon dioxide people produce. It's the planet’s largest carbon sink.

Earth's oceans, once green due to high levels of oxidized iron and anaerobic photosynthesis, could change color again. Early photosynthetic organisms used iron instead of water, leading to green ...