Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...
For more than 20 years, scientists have believed that the universe is expanding at an accelerating rate due to mysterious ...
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What is quantum gravity? Scientists think it could explain the beginning of our universe
Scientists have redefined gravity to explain the Big Bang and perhaps change our picture of the earliest moments of the cosmos. This new framework of "quantum gravity" may explain aspects of the Big ...
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Mirror universe where time runs backwards could help explain dark matter, antimatter and neutrinos
The Big Bang may not mark the absolute beginning of everything. A controversial cosmological model instead treats it as a boundary, with our universe on one side and a time-reversed anti-universe on ...
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