Like part of a cosmic Russian doll, our universe may be nested inside a black hole that is itself part of a larger universe. In turn, all the black holes found so far in our universe—from the ...
Black Hole Blast Outshines 10 Trillion Suns Nov. 7, 2025 A colossal black hole 10 billion light-years away has been caught devouring one of the universe’s biggest stars, unleashing a flare 30 times ...
You may have a severe headache, fever, and stiff neck if you have early-stage meningitis. Seek immediate medical care if you notice a non-fading rash using a glass test. You can prevent death from ...
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