Mariana Trench

The darkest, deepest, and most antagonistic province on Earth – the lowest part of Mariana Trench is likely to be harbouring life- suggested the new findings.

Life beyond earth – in space has always been in the limelight and the most interesting topic for global astronomers and scientists. But in the land, there are also several regions where the possibilities of life have kept puzzling scientists, and one such province is the deepest part of global oceans. The confirmation about the potentiality of life under ocean’s deepest region is yet to be completely understood and decoded by scientists. However, in a recent advancement, a team of researchers has claimed to decipher the mystery as they have found the evidence of life below 10-kelometers of the seafloor in the Mariana Trench – the deepest region of the global oceans.

The study, conducted by a team of researchers has mentioned about the discovery of traces of organic objects in the testers of serpentine that were dragged six miles or 10 km below the sea bottom in the Mariana Trench. The team, while analysing the samples noted that the material, discovered from serpentine samples is akin to the object what is generated by microbes, living in other accessible places of the earth. This indicates the higher possibility of the presence of bacteria in the lowest and darkest part of oceans. Researchers, including those from Utrecht University in the Netherlands, carried out a through experiment at the Mariana Trench, situated in the western Pacific Ocean by using the Remotely Operated Vehicles (ROV). By employing the ROV, they extracted nearly 46 samples from the ocean floor, located near the South Chamorro sludge volcano, with which they returned to their lab for further experiments.

The study, published in the journal Proceedings of the National Academy of Sciences highlights, “Thus far, it is not completely assured about the exact origin of the organic matter, found in serpentine samples. But the chemical analysis of the elements looks a lot like the molecular signatures that are produced by living microbes in more accessible places and hence it is highly possible that these organic matters are also produced by microbial life, living deep within or below the mud volcano level of Mariana Trench.

To those unaware, the Mariana Trench is the darkest and deepest part of the world’s oceans. It is situated in the western Pacific Ocean, towards the east of the Mariana Islands. It is nearly1, 580 miles (2,550 km) long and 43 miles (69 km) wide. Earlier, many researchers have tried sending Remotely Operated Vehicles (ROVs) to the depths of Mariana Trench with the hopes of discovering new details about life, but researchers from the Utrecht University are the first one to grab solid evidence about the possibilities of life below the lowest oceanic levels.


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