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Microbes50 years ago, scientists suspected microbes flourished in clouds
In 1970, scientists presented early evidence that microbes in clouds may be alive and kicking.
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Planetary ScienceChemical reactions high in Mars’ atmosphere rip apart water molecules
Mars is so dry because its water constant escapes into space. A new study suggests this process occurs in the ionosphere and faster than thought.
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PhysicsGiant lasers help re-create supernovas’ explosive, mysterious physics
For the first time, scientists have re-created a type of shock wave that occurs in supernovas.
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EarthSTEVE may be even less like typical auroras than scientists thought
The purple-and-green, atmospheric light show nicknamed STEVE just got even stranger.