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Catch them before they're gone -- these tunnels and caverns may soon melt away
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Included as exfoliators in many common soaps and cosmetics, microbeads now pollute waterways worldwide
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Animals prowled across St. Peter's Basilica in a move to connect Earth's beauty with the dangers of climate change
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These images are "the best close-ups of Pluto that humans may see for decades," according to NASA
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A news study capture images of what dolphins 'see' underwater
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The five-year wait is over (almost)
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Rival scientists quickly challenge recently published research about water bears' mysterious genomes
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The public will help direct JunoCam as it twirls past Jupiter next July
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Will the city's latest smog crisis spur international action on climate change?
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Photos and video catch the spectacular events in action
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Don’t worry, it isn't permanent
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The meteor shower peaks next week as comet Catalina gets closer throughout the month
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The LISA Pathfinder Probe could help reveal the ripples caused by black holes and supernovae
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Protestors physically blocked access to the Mauna Kea construction site for more than a year and now the project faces another roadblock
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Mass evacuations, a submerged airport and questions about the city's urban planning
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More than half of the Amazon's trees could qualify as threatened species
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Giant sauropods once roamed the Isle of Skye
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When it comes to sex traits, brains are consistently inconsistent
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Thousands of Himalayan glaciers could melt by the end of the century
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