Physics
Could cosmic megastructures be intruders from another world?
On a large scale the cosmos should be plain, but it’s not. Windows into other dimensions could explain mysterious objects billions of light years across
Features
Physics
How redshift colours our view of the history of the universe
Features
Physics
Why we can’t work out where everything is in the universe
Features
Physics
General relativity at 100: Einstein’s witness in the sky
Features
Space
The Large Magellanic Cloud, if van Gogh had painted it
Regulars
Rosettawatch: Onion layers prove 67P is a slow-mo comet mash-up
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Space
Multiverses-in-a-box let us simulate the cosmos before we see it
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Space
Earth’s composition might be unusual for a planet with life
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Physics
Black holes may be brick walls that bounce information back out
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Spider galaxies spotted eating gas caught in the cosmic web
We've long thought that galaxies grew fat by devouring gas from a mesh of dark matter called the cosmic web – now we've seen it in action
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Physics
Spider galaxies spotted eating gas caught in the cosmic web
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Physics
What came before the big bang?
Features
Physics
Is the universe infinite or just very big?
Features
Knotty network could have powered universe’s early growth spurt
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