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 ...
ExtremeTech9d
How Deep Is the Ocean?
So how many oceans are there? Four, five... or one. All of the bodies of water on Earth that qualify as named oceans are directly connected to each other. Technically, they can all be considered ...
NASA’s SWOT Satellite Just Revealed Thousands of Hidden Mountains Beneath the Ocean
We know more about the Moon’s surface than Earth’s ocean floor — but that’s changing fast. A NASA-supported team used a ...
New Research Suggests Earth’s First Oceans Weren’t Blue: They Were Green
Scientists have discovered evidence that Earth's oceans were once green, hinting that this could be a marker of early life, ...
Samaa TV12h
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.
BBC27d
The world's strongest ocean current should be getting faster – instead, it is at risk of failing
It's five times stronger than the Gulf Stream ... Atlantic and Indian oceans. The system regulates Earth's climate and pumps water, heat and nutrients around the globe. But fresh, cool water ...
ecoportal.net19d
Hidden ocean found on Earth – It’s 700 km under this continent
Everything we thought we knew about Earth and its oceans is starting to challenge us. There is a hidden ocean found underneath the Earth and its depth is 700 kilometres, and it is trapped within a ...
UNILAD7d
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 ...