Dark-energy evidence suggests the universe will end in a “big crunch” roughly 20 billion years from now. The universe is nearing the halfway point of what may be a 33-billion-year lifespan, according ...
This image shows the galaxy cluster IDCS J1426.5+3508, which contains a mass of almost 500 trillion suns. According to a new theory, it and everything else will collapse in on itself in the distant ...
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