Dark energy » Findings show the force has been a constant part of the universe.
By Sheena McFarland
| The Salt Lake Tribune
The expansion of the universe has been speeding up for the past 5 billion years, but that hasn’t always been the case.
Shortly after the Big Bang—the event scientists believe occurred 13.8 billion years ago that created the universe and everything in it—the universe was expanding at a much slower rate.
Glenn A. Walsh, Project Director,
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