Study: 8.8 Billion Earth-Sized Just-Right Planets Space may be vast, but it isn't that lonely. A new study finds that the Milky Way is teeming with billions of planets like ours, circling stars just like our sun.
Study: Black Holes Rotate Almost At Speed Of LightScientists and researchers have discovered that supermassive black holes spin at a rate that's almost equivalent to the speed of light.

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