NASA solves part of the mystery about water on Mars…

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Last night, skygazers enjoyed a celestial treat: a total eclipse of a supermoon -- a moon at its closest point to Earth in its orbit. The ruddy orb appeared larger than usual in the nighttime sky.

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Sunday night, the sun, earth and a full moon will be in a straight line, making the moon, which is in its closing point of orbit, appear much brighter than usual. This phenomenon, referred to as "supermoon" total lunar eclipse,…

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Just in time for the supermoon lunar eclipse, here are eight things you may not have known about the moon.

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On Sunday evening, starting around 8:45pm there will be a full eclipse of the moon right when it is at the perigee of its orbit, the point closest to the Earth. This will lead to what is being called a…

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NASA released images Thursday that show more details of the dwarf planet's icy landscape.

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What are the long-term effects of living in space? Astronaut Scott Kelly is now halfway through a year-long mission. In our NewsHour Shares video of the day, NASA offers a progress report, comparing Scott with his twin brother, retired astronaut…

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New images of dwarf planet Ceres show oddly shaped mountains, collapsed crater walls, long surface cracks and alternately rocky and smooth terrain, as if something flowed across a large swath of its surface. It also shows the bright spots in…

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In 2017, a new NASA satellite called ICESat-2 will measure how fast ice is melting in order to estimate how soon coastal cities might suffer from sea level rise.

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The annual Perseid meteor shower lit up the sky Wednesday night even brighter than previous years since 2007, with “no moonlight to upstage the power.”…

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