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Scientists who sampled seemingly pristine Arctic snow have discovered high levels of microplastics that were likely carried north by the atmosphere.
The taut rope that was lowering an underwater listening station to the ocean’s floor collapsed on the tug boat’s deck with a slap, signaling to the crew on board that their mission was complete.
Data from seismic sensors in buildings across Southern California show how the 7.1 Ridgecrest earthquake produced surprisingly long periods of shaking in some areas.
Meteorologists say July was the hottest month measured on Earth since records began in 1880.
Every morning, hundreds of Native Hawaiians emerge from tents and pickup trucks to protest a new telescope on Mauna Kea, which they hold sacred.
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A handful of sites where the United States manufactured and tested some of the most lethal weapons known to humankind are now peaceful havens for wildlife. But some critics say the sites have not been scrubbed well enough of pollutants to make them safe for humans.
Baked Alaska: The high temperature in July in Anchorage hits 90 for the first time ever, vast stretches of sea ice melt and fire crews can’t be spared.
The Native village of Igiugig, population 70, runs on diesel flown in for as much as $7.55 a gallon. An underwater hydro project could change that.
Ian Recchio runs the ‘Frog Shack” at the L.A. Zoo, where biologists are racing against time to breed and reintroduce endangered mountain yellow-legged frogs.
California is the largest user of chlorpyrifos, which is used on citrus and other crops and has been linked to neurological damage in animals and humans.
U.S. investors are beginning to smell an opportunity in the waste-to-energy market, where livestock dung and food garbage is traded.
Toxic algae blooms can be deadly, and they’re becoming more common thanks to climate change. Here’s how to protect yourself and your pets.
Even if there were enough vaccines to go around, the region’s violent conflict has made it virtually impossible for health workers to deliver the shots to every relative and neighbor of each Ebola victim.
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