Earth’s oceans weren’t always blue, scientists say
But while lifeless during that time, the planet was already covered by vast oceans dotted with hydrothermal vent systems that ...
Interesting Engineering on MSN3d
Could alien oceans be green: Earth’s past may hold the key to finding life elsewhere
Researchers have found that Earth’s first oceans may not have been blue at all like today. Instead, they may have gleamed in ...
El Adelantado de Segovia11d
Geologists discover a giant ocean hidden beneath the Earth that could change what we know about water on the planet
Like straight out of Julio Verne's Journey to the Center of the Earth, scientists from Northwestern University and the ...
UNILAD8d
Scientists discovered huge 'ocean' beneath Earth's surface bigger than all the seas above land
The substance can contain up to 1.5 percent water, and if the ringwoodite under the surface has just one percent water in its ...
Earth.com11d
Alarming new data on sea level rise does not bode well for humanity
Scientists found that sea levels rose rapidly 11,700 years ago due to melting ice sheets and sudden lake drainage.
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Early oceans were green, not blue: study
The earliest lifeforms, cyanobacteria, appeared around 4 billion years ago. These organisms, now known as algae, were among the first to engage in oxygenic photosynthesis.