Of all the questions that plague scientists, the reason for the universe's expansion might be the most perplexing. Why distant galaxies aren't just moving away from us, but actually accelerating away from us, has led scientists to invent murky and mysterious substances like dark matter and dark energy — each named specifically for the fact that we don't know what they are. In May 2017, physicists from the University of British Columbia published a new explanation for the accelerating expansion of the universe. The most intriguing part about it? It may take the "dark" out of dark energy, explaining what it is once and for all.
Force of Mystery
Can't All the Theories Just Get Along?
How Does Dark Energy Stretch Our Universe?
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Written by Ashley Hamer June 5, 2017
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