Physics
Mysterious flashing star seems destined for an explosive end
A detective story that began in the 1950s when a star seemed to go supernova but survived ended this month when someone figured out what was going on
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Space
‘Alien megastructure’ star may host Saturn-like exoplanet
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Space
Speedy white dwarf may have survived a rare type of supernova
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Space
Ice at Mars’s equator hints the planet was once much more tilted
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Physics
New sky survey shows that dark energy may one day tear us apart
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Space
Half the atoms inside your body came from across the universe
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Physics
The cosmic dance of three dead stars could break relativity
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Space
Galaxy supercluster is one of the biggest things in the universe
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Physics
Five things physicists hate about physics
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Physics
When is a black hole not a black hole? When it’s a boson star
Astronomers are confident they know what the mysterious massive object at the Milky Way’s heart is – but our first direct view this year could bring a shock
Features
Physics
Protons are lighter than thought, which may solve a big puzzle
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Space
Buckyballs mysteriously show up in cold space and warp starlight
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Physics
Time to embrace our odd place in the cosmos, inside a huge void?
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Earth
The mystery xenon in Earth’s atmosphere came from icy comets
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