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New NASA mission results show that tornado-like swirls of space plasma create tumultuous boundaries in the near-Earth environment, letting dangerous high-energy particles slip into near Earth space.
A geothermal heat source may help explain why West Antarctica's ice sheet is so unstable.
Saturn's C ring is home to a surprisingly rich array of structures and textures.
This color-enhanced image of a massive, raging storm in Jupiter's northern hemisphere was captured by NASA's Juno spacecraft.
Jackie Faherty hates when brown dwarfs — astronomical objects with masses outweighing those of planets — are called “failed stars.” “Why are we so presumptuous that you want to be a star?” she asked during…
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