Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a ...
Our best models of the cosmos don't add up — but that could change if the universe is actually made of a viscous 'fluid,' a ...
The gravitational lens JVAS B1938+666 consists of massive bodies ranging from 6.5 billion to 11 billion light-years away, ...
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