Environment
Jupiter鈥檚 powerful aurora is surprisingly different from Earth鈥檚
We always assumed that auroras on Jupiter were caused by the same process that brings the swirling light shows to Earth. New observations show that they aren鈥檛
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Earth
Asteroid Florence buzzes Earth in closest fly-by since 1890
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Space
Some of Uranus’s small moons are doomed to collide
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Space
Steampunk rover design eliminates electronics to survive Venus
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Space
One of Europa鈥檚 plumes may not exist, making hunt for life hard
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Space
I watched the eclipse with scientists hunting the sun鈥檚 secrets
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Space
It could be snowing on Mars right now
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Space
Great American Eclipse: Everything you need to know to get ready
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Physics
Solar eclipse will reveal the roiling fog of plasma we call home
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Space
Ice at Mars鈥檚 equator hints the planet was once much more tilted
Most of the water on Mars is at its poles, but ice near the equator may mean that the way the red planet is tilted has changed over the last few million years
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Space
Tethered satellites could see the moon鈥檚 weird swirls up close
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Space
Moon鈥檚 magnetic field lasted twice as long as we thought it did
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Space
Nuclear reactors on rockets may fuel future crewed trips to Mars
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Space
Giant loner asteroids suggest baby planets formed quickly
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