Offshore flooded caves, so-called ocean blue holes, are extensions of the sea, subject to the same ... structure of the inland blue holes—deep, dark, sheltered, with little tidal flow ...

Scientists may have just discovered 300 of the rarest black holes in the universe Primordial black holes might be an explanation for dark matter — the invisible substance that accounts for most of the ...

Environmentalists said the presence of dark oxygen showed just how little is known about life at these extreme depths, and supported their case that deep-sea mining posed unacceptable ecological ...

The research that gave rise to the dark oxygen discovery was partly funded by a Canadian deep-sea mining business, The Metals Company, that wanted to assess the ecological impact of such exploration.

A scientific debate has emerged regarding the possibility of producing 'dark oxygen' without sunlight ... "Greenpeace has long campaigned to stop deep sea mining from beginning in the Pacific ...

To this end, the scientists evaluated 75,404 data sets on 2,637 different deep-sea species from freely accessible databases, information facilities, and non-digitized scientific literature.

A recent deep-sea expedition into the Tonga Trench in the ... The Pacific Sleeper Shark is a silent predator designed for the cold, dark depths of the ocean. These sharks can move quietly through ...

Some scientists think so, but others have challenged the claim that so-called "dark oxygen" is being produced in the lightless abyss of the seabed. The discovery -- detailed last July in the ...

Metallic nodules found deep in the sea seem to be producing significant amounts of oxygen by some unknown mechanism, researchers revealed last year. Now, we may have found out how it is happening ...

Environmentalists said the presence of dark oxygen showed just how little is known about life at these extreme depths, and supported their case that deep-sea mining posed unacceptable ecological ...