The US Air Force on Sunday successfully launched its high-tech drone X-37B, placing the reusable vehicle into orbit for its sixth secretive mission in space.
Space Exploration
May 17, 2020
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The U.S. military's mystery space plane rocketed toward orbit again Sunday, this time with an extra load of science experiments.
Space Exploration
May 17, 2020
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A Chinese government-backed team plans to summit Mount Everest this week at a time when the world's tallest peak has been closed to commercial climbers.
Environment
May 17, 2020
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