If you were to dive into a black hole (something we would not recommend), you"d likely find a singularity, or an infinitely small and dense point, at the center. Or that"s what physicists have always thought.
But now a pair of scientists suggests that some black holes may not be black holes at all. Instead, they may be weird objects chock-full of dark energy — the mysterious force thought to be pushing at the bounds of the universe, causing it to expand at an ever-increasing rate.
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