But recent discoveries have brought to the surface an unexpected feature of our oceans: underwater rivers and lakes! © The basket star uses its intricate arms to walk and snare passing prey such as plankton and shrimp . Scientists from the University of Leeds have studied a deep channel found on the sea bed and uncovered a river with very salty water in the Black Sea. Please deactivate your ad blocker in order to see our subscription offer. These islands are almost as big as Tasmania that connected India and Australia before the two separated. The most stunning sights from under the waves. Oceanography news. What is equally fascinating is what research reveals about many of these species. All rights reserved. Even among its extinct relatives, Megalodon was unequalled in length and mass. Other, older underwater settlements have been discovered, but none of them boasts such distinctly urban features as Pavlopetri. The migration began about 30 million years ago when the continent cooled and large ice sheets grew, forcing octopuses there into ever deeper waters. But there is a similar formation behind Australia’s famous Great Barrier Reef – one that fewer visitors ever get to see. Find out everything there is to know about the ocean and stay updated on the latest oceanic news with the comprehensive articles, interactive features and beautiful images of the ocean at LiveScience.com. Over the years, the algae fossilized together into doughnut-shaped heaps which are 20 meters thick . Jana Louise Smit. The quest for the unknown revealed exciting new discoveries this year. Then a team of scientists in Japan woke the little organisms up. Among gold medallions, precious shells and stone artefacts were the bones of sacrificed young llamas. Expeditions to the site have recovered classical bronze and marble statues and a complex astronomical device known as the Antikythera mechanism. Scientists have identified the larvae of one of the world's biggest fishes — the bump-head sunfish (Mola alexandrini) — and the youngster is ridiculously tiny. California Academy of Sciences researchers discovered 71 new animal and plant species in 2019. Unless climate action is swift and dramatic, future upheaval will be catastrophic. Researchers estimate that these rivers are acting like arteries providing life to the deep ocean. This one looks a bit different though: it is formed of a 6,000-square-kilometer stretch of limestone circles knitting together a colossal second reef. Alvin was the first U.S.-based deep-diving submersible, and has now made over 4,400 descents and led to numerous ocean floor discoveries. Read more about us. Scary portrayals of great whites in pop culture might lead some people to wonder if the world would be better off with no sharks at all. The items on this page capture big news in ocean exploration, not just at … You might think that life under the sea simply follows water currents. 1970 Shares. You will receive a verification email shortly. Expeditions found statues and other treasures. A seven-armed octopus unexpectedly washed ashore on Whidbey Island, Washington, even though these cephalopods aren't native to the area. He visited the site with an Egyptian scholar and discovered several artefacts. Nearly 600 hydrothermal chimneys jut from the ocean bottom on a ridge near the Pacific Northwest's coastline, scientists recently discovered. The undersea river, which is up to 115 feet deep in places, even has rapids and waterfalls much like the rivers we see on land . This site in the south of Greece had already been explored in the late 1960s, but in 2009 new technological methods revealed its archaeological significance. In 1933, an RAF commander spotted ruins under the sea when flying over the mouth of the Nile. The site is one of the best preserved prehistoric villages. Recent NASA discoveries gathered by researchers through the Hubble Space Telescope and Cassini spacecraft indicate that Earth may not be the only ocean world in our solar system. Live Science is part of Future US Inc, an international media group and leading digital publisher. We are working hard to improve our content. The Cassini spacecraft made numerous discoveries including a global ocean that showed indications of hydrothermal activity within the icy moon Enceladus, and liquid methane seas on its moon Titan  . Scientists believe they have discovered more than 10 new marine species after exploring new depths in the Atlantic Ocean. And this is only one of many discoveries made by scientists. However, one expert says we need more proof these organisms actually eat viruses. The octopus was found miles beneath the ocean surface. Greentumble was founded in the summer of 2015 by us, Sara and Ovi. Visit our corporate site. Future US, Inc. 11 West 42nd Street, 15th Floor, One of the biggest underwater rivers was found flowing along the bottom of the Black Sea complete with trees and leaves flowing on the sea bed, and even waterfalls! Our planet's oceans are warmer than they've ever been in recorded human history. Earth’s land masses once had a very different constellation: Pangaea was a supercontinent that existed during the late Paleozoic and early Mesozoic eras; it began to break apart about 175 million years ago. The Earth’s oceans cover more than 70 percent of our planet’s surface and its deep blue waters have inspired myths and legends since ancient times. Most of us will have heard about Australia’s Great Barrier Reef and its unique role in providing shelter for numerous and diverse species. During an international effort to map the Perth Abyssal Plain in the Indian Ocean, scientists located two submerged islands 1.5 kilometers below the surface. Some 2,000 years later, sponge divers accidentally found the wreck in what became one of the most extraordinary of underwater archaeological discoveries. Initial findings in the 1980s were followed by expeditions that unveiled a settlement with wells and houses and more than 60 skeletons. In what was the first underwater exploration of its kind, a team of Greek and international divers and archaeologists used a new high-tech exosuit to reach the world-renowned Antikythera wreck had lain for two thousand years. The ocean’s influence even extends beyond the Earth with a sign of blue considered as a sign of life even in faraway planets. Great white sharks are fierce hunters. The most salted scientists are still shocked by what the world’s seas sometimes do or deliver. Archaeology Discoveries to Watch for in 2019. About 400 metres off the shores of Israel lies the neolithic village of Atlit-Yam. By Owen Jarus - Live Science Contributor 01 January 2019.
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