Corals on the Great Barrier Reef have bleached again in 2017 as a result of extreme summer temperatures. It’s the fourth such event and the second in as many years, following earlier mass bleachings in 1998, 2002 and 2016.

The consecutive bleaching in 2016 and 2017 is concerning…

Read more: Back-to-back bleaching has now hit two-thirds of the Great Barrier Reef

The ocean is a dark, dark place. Below about 656 feet (200 meters), light doesn't penetrate. Considering that the average depth of the ocean is around 14,000 feet (4,267 m), that leaves a lot of room for inky blackness. Marine life has figured out a way to cope.…

Read more: Shining Sea: 75 Percent of Ocean's Animals Glow

(Phys.org)—An international team of researchers has found possible evidence of life ten kilometers below the sea floor in the Mariana Trench. In their paper published in Proceedings of the National Academy of Sciences, the team describes samples of serpentine they collected from hydrothermal vents and the material they…

Read more: Possible signs of life found ten kilometers below seafloor

U.S. technology giant Dell and Hollywood actor Adrian Grenier are making waves as they launch their global pilot program to turn the tide on ocean pollution. By pulling plastics out of the ocean and recycling them into a commercially viable way, they hope to keep harmful micro plastics…

Read more: Adrian Grenier and Dell are teaming up to fight ocean plastics

Overkill as well as rising temperatures in the western Indian Ocean is driving down the numbers of the world's most valuable fish, the tuna, suggests research conducted by an international team of scientists, including those from the Goa-based National Institute of Oceanography. A joint research paper on reduction…

Read more: Tuna catch on decline in Indian Ocean, says study

Researchers have found a small piece of a 'lost continent' buried underneath the lava on Mauritius.

 

Far beneath Mauritius’ inactive volcanoes lies an astonishing, important piece of the Earth’s history: a fragment of ancient continental crust. And no: it’s not Atlantis. This discovery, which my colleagues and I…

Read more: Why the discovery of a small piece of continent in the Indian Ocean matters