Physics
Half the universe’s missing matter has just been finally found
About half the normal matter in our universe had never been observed – until now. Two teams have finally seen it by combining millions of faint images into one
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Space
Spiralling galaxy arms spread oxygen around for future planets
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Space
Hidden pockets of turbulent gas fuel stars in far-off galaxies
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Space
Speedy white dwarf may have survived a rare type of supernova
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Space
Jellyfish galaxies may feed black holes with their long tendrils
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Space
Finding the first pulsar set my world spinning
Features
Space
Half the atoms inside your body came from across the universe
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Physics
Time to embrace our odd place in the cosmos, inside a huge void?
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Physics
Oldest dust ever spotted in the universe seen in distant galaxy
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Space
The many-tentacled galaxy that could drive a physics revolution
Astrophile is Joshua Sokol's monthly column on curious cosmic objects, from the solar system to the far reaches of the multiverse
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Space
Cosmological ruler could help us get the measure of dark energy
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Space
Dark matter took its time to wrap around early galaxies
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Physics
Rules of attraction: Why it’s time to rethink how gravity works
Features
Space
Rare mid-weight black hole found at heart of bright star cluster
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