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During the Cold War, a spate of mysterious sightings ended up exposing a plot to hide nukes from the US.
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Researchers have sonified the sounds of the Earth's magnetic field reversing 780,000 years ago.
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Dams constructed around the world over the last two centuries have had an impact on the planet's poles.
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India is now the first country ever to land a spacecraft near the Moon's south pole.
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The Russian space agency had been attempting to become the first to land a probe on the Moon's south pole.
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The controversial plan would involve using a fleet of 125 tanker jets to shroud part of the Earth's atmosphere.
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Scientists have identified a large, anomalous mass embedded deep beneath the Moon's largest crater.
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Giant troughs running for hundreds of kilometers have been found deep beneath the ice at the South Pole.
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NASA's Mars Reconnaissance Orbiter has discovered a rather unusual feature on the planet's surface.
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The Apollo 11 astronaut fell ill just after becoming the oldest person ever to visit the South Pole.