Physics
Far-off galaxies are firing rare high-energy cosmic rays at us
The highest energy particles in the universe hit Earth very rarely, so it took 10 years of data to pinpoint their origin. They鈥檙e coming from galaxies far, far away
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Physics
Mysterious flashing star seems destined for an explosive end
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Space
鈥楢lien megastructure鈥� 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鈥檚 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
Physics isn't just hard 鈥� it can be uncomfortable, too. From quantum many worlds to the universe's heat death, here are five concepts that spell embarrassment
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Physics
When is a black hole not a black hole? When it鈥檚 a boson star
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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