Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...
The record-breaking find could help shed light on the mysterious identity of dark matter, which would have major implications for the field of cosmology. The hidden object, likely a clump of invisible ...
It’s been about 11 years since Pluto was demoted to dwarf planet status, leaving a 1,473 mile (2,370 kilometers)-size void in our hearts. Since then, the hunt for Planet X—aptly renamed Planet 9—has ...
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