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Mysterious Metallic Sound in the Mariana Trench Finally IdentifiedAround the deepest parts of the ocean, scientists eavesdropped on whale conversations.
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What Doomed Franklin's Polar Expedition? Thumbnail Holds ClueZinc deficiency, not lead poisoning, may have been a major factor in the declining health of the crew on the deadly 19th-century Arctic voyage.
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Stolen Mummy Hand Makes Its Way HomeIllegally smuggled artifacts, including a mummy hand, were returned to Egyptian authorities.
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Operation Mummy's Curse: Photos of Smuggled Artifacts -
In Photos: Rare Anglo-Saxon Cemetery UncoveredIn a surprise find, archaeologists discovered an Anglo-Saxon cemetery in England with more than 80 graves. See photos of the cemetery and the rare, waterlogged wooden coffins at the site.
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Surprise Find: More Than 80 Anglo-Saxon Coffins Uncovered in EnglandArchaeologists uncovered an Anglo-Saxon cemetery in England with dozens of rare wooden coffins arranged in rows.
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World's Largest Marine Sanctuary Created Off AntarcticaThe isolated but wildlife-rich Ross Sea off Antarctica will be protected from fishing and other human activities under the new agreement.
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Ancient Roman Battlefield Uncovered in JerusalemSling stones and other projectiles were found outside an ancient wall in Jerusalem, which are likely evidence of the Roman emperor Titus' siege of Jerusalem in A.D. 70.
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Photos: Evidence of Ancient Roman Battle Found in JerusalemArchaeologists discovered a field of stones and other projectiles outside an ancient wall in Jerusalem. These could be 2,000-year-old traces of a battle with Rome.
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Europe Lost Contact with Mars Lander 1 Minute Before TouchdownThe European Space Agency lost contact with its ExoMars Schiaparelli lander less than a minute before it was supposed to land on Mars, scientists say.
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80 Years Later, Polar Explorer's Sunken Ship Floats AgainFor the first time in more than 80 years, the Maud is floating above the sea surface.
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In Photos: Norwegian Explorer's Ship Raised from the Arctic -
2,000-Year-Old Pompeii Home Reconstructed in 3DWith new 3D scans of Pompeii, archaeologists reconstructed the 2,000-year-old home of a wealthy Roman banker.
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Goodbye, Rosetta! Spacecraft Crash-Lands on Comet in Epic Mission FinaleThe Rosetta probe drifted down to the surface of Comet 67P today (Sept. 30) and ended its 12-year mission.
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This Man Was Killed by Brutal Boomerang Blow 800 Years AgoAn 800-year-old skeleton found in Australia has a long gash on his skull — perhaps inflicted by the sharp edge of a boomerang.
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2nd Tool-Using Crow Species FoundThe critically endangered Hawaiian crow can use sticks to deftly fish for food that is out of reach, according to a new study. The discovery means there are now two known tool-using species of crows.
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Disputed Maya Codex Is Authentic, Scholars SayThe Grolier Codex, thought by some to be a forgery, just might be the real deal, according to a reassessment of the Maya text.
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Are 'Fairy Circles' Just the 'Ghosts' of Termite Nests?Australia's fairy circles might be the ghosts of termite nests, argues one group of researchers.
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Photos: Mysterious Fairy Circles in AustraliaOnce only found in southern Africa, fairy circles were identified in Australia earlier this year. Here's a look at these mysterious barren patches whose cause has remained elusive.
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World's Largest Gorilla Species at Risk of ExtinctionGrauer's gorillas in the Democratic Republic of Congo are now considered critically endangered, with just 3,800 individuals left in the wild, down from 17,000.
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Hoax or Secret Code? Copies of Unreadable Manuscript to Be PublishedExact copies of the famously unreadable Voynich manuscript will be published in Spain.
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Bunnies Were Butchered at Ancient City of TeotihuacanBones found in an ancient Mexican city suggest humans had domesticated rabbits and hares 1,500 years ago.
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Search for Mythical Nazi Gold Train ResumesAmateur explorers are starting to dig in Poland, hoping they will discover a gold-filled Nazi train thought to be the stuff of local lore. But does this train even exist?
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North America Has Only 1 True Species of Wolf, DNA ShowsRed wolves and eastern wolves aren't separate species; they're really just hybrids of gray wolves and coyotes, according to the research.
