When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Planet Nine may be even more exotic than astronomers had thought. The putative world, which some ...

Researchers working on the Planet 9 question have uncovered some intriguing options for our potential distant planet. If it exists, it might not be from our neighborhood at all. Share on Facebook ...

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Here's your daily reminder that we occupy a tiny corner of the vast, ultimately unknowable universe. According to some scientists, Planet Nine might be a "rogue" planet captured by our solar system as ...

Planet Nine may be even more exotic than astronomers had thought. The putative world, which some scientists think lurks unseen far beyond Pluto’s orbit, could be a former “rogue planet” that was ...