Dark Energy

An explosion in space
Dark energy is the mysterious force that causes the expansion of the universe. (Image credit: Getty Images)

Dark energy is the name given to a mysterious force accelerating the universe's expansion. NASA estimates that dark energy makes up 68% of the universe, but while physicists can tell dark energy is real, they don't know much about it. 

At Live Science, our expert writers and editors explain the latest findings from researchers studying this strange force. Whether it’s  why dark energy could lead to a second (and third, and fourth) Big Bang, how the largest dark energy map could reveal the fate of the universe or if the expansion of the universe could be a mirage, you’ll find  the latest dark energy news, features and articles right here.  

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