Cosmology and quantum physics both offer tantalizing possibilities that we inhabit just one reality among many. But testing ...
Everything audiences need to know about the live-action He-Man reboot ahead of its release this summer.
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Wormholes may not exist—we've found they reveal something deeper about time and the universe
Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a ...
At 3.3 billion light-years across, the ring may challenge the “cosmological principle” that the universe looks uniform at sufficiently large scales.
About a century ago, scientists were struggling to reconcile what seemed like a contradiction in Albert Einstein's theory of general relativity. Published in 1915, and already widely accepted ...
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