Physics
LIGO turns back on to hunt for more gravitational waves
The premier gravitational wave observatory just turned back on for another six months - and it's expected to catch twice as many black holes as last time
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Earth
Moon-dust cake mix shows moon may have had water from the start
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Earth
Window to hell: Io’s strongest volcano changes face as we watch
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Earth
First ever lightning-mapping satellite set for take off
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Space
Monday’s bright supermoon will be closest to Earth in 68 years
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Life
I watched a rover search for ancient life on Mars 鈥� I mean, Utah
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Physics
Mickey Mouse ears may explain universe鈥檚 biggest explosions
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Space
China’s Long March 5 heavy-lift rocket takes first flight
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Space
Mars orbiter spots new crater that may be ExoMars’s lost lander
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Space
Pluto may sport clouds of poisonous acid and flammable gases
Wispy features spotted just above the dwarf planet鈥檚 surface might be clouds 鈥� and they seem to be made of nasty stuff
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Physics
Strange signals from 234 stars could be ET – or human error
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Space
Uranus might have two dark moons we’ve never seen before
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Space
Our universe contains 10 times more galaxies than we thought
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Space
Disco-ball sail propelled by laser could fly to a nearby star
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