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

When There Was No Oxygen on Earth the Oceans Were Green. Scientists Claim It Could Change to Purple Next There are certain things that have become mainstays on Earth. One of these things is the ocean ...

It will lead to more purple, brown, or green hues in coastal or stratified areas, with less deep blue color in water as phytoplankton decline. Eventually, oceans will evaporate completely as the sun ...

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

The Hadean eon represents the time from which Earth first formed. The subsequent Archean eon (approximately 3,500 million years ago) is known as the age of bacteria and archaea. The Proterozoic ...

This paper will take you as far back in the climate record as is currently possible, to the Archean Eon, from 3.9 to 2.5 billion years ago (Bya) (Figure 1). Peering so deeply back in time ...

A new study suggests Earth's oceans may have been green during the Archean eon, around 3.8 to 1.8 billion years ago. The greenish hue was due to high ...

Much of continental crust formed during the Archean Eon is still part of the continents today as seen in the Rocky Mountains at Banff National Park, Canada. Disclaimer: AAAS and EurekAlert!

This iron will become important later. The Archaean eon was a time when Earth's atmosphere and ocean were devoid of gaseous oxygen, but also when the first organisms to generate energy from ...

This iron will become important later. The Archaean eon was a time when Earth’s atmosphere and ocean were devoid of gaseous oxygen, but also when the first organisms to generate energy from ...

Other sources of iron were volcanoes on the ocean floor. This iron will become important later. The Archaean eon was a time when Earth’s atmosphere and ocean were devoid of gaseous oxygen, but also ...