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Air pollution levels will bounce back as COVID-19 restrictions loosen, scientists say

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Scientists looked back in time to find new evidence for Europa plumes

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You can dock a SpaceX Crew Dragon at the space station in this free simulator

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Newfound Comet SWAN could soon fizzle out of view

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Your kids can join a free class with an astronaut (and more) in these virtual school days

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These lava tubes could be the safest place for explorers to live on Mars

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Saturn's weird hexagon has 'sandwich-like' layers of hazy mists

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Chinese Kuaizhou-1A rocket launches 2 satellites for the 'Internet of Things'

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Massive piece of Chinese space junk slams uncontrolled into Earth's atmosphere

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How are stars named?

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Mars may be wetter than we thought (but still not that habitable)

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After Demo-2: SpaceX is already prepping for 1st operational Crew Dragon mission

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Scientists spot super-Earth planet in Earth-like orbit

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Mars orbiter finds evidence of ancient, long-lived rivers on the Red Planet

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Cygnus cargo ship leaves space station for free-flying fire mission

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See the moon near Jupiter and Saturn in the predawn sky Tuesday

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Space technologies can help solve Earth's challenges (op-ed)

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'A truly dark night sky can change someone's life forever': Q&A with 'The World at Night' photobook author Babak Tafreshi

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In photos: The dazzling 'Super Flower Moon' of May 2020

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Kepler-88 has a new king! Planet three-times Jupiter's mass discovered in alien star system

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Scientists get their best-ever look at Jupiter's atmosphere and storms

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SpaceX's Starship SN4 prototype passes another, tougher pressure test

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Beyond the movies: 10 essential 'Star Wars' comics

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Four amazing astronomical discoveries from ancient Greece