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Researchers have found more evidence that there is an unknown planet in our solar system. Astronomers have been searching for proof that Planet Nine — also known as Planet X — exists for years ...
I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...
Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory about the possibility of a giant ninth planet. The dwarf planet's existence ...
Scientists say they have found evidence of an unknown planet in our solar system. New findings represent the ‘strongest statistical evidence yet’ that Planet 9 exists, researcher says .
Currently, our solar system recognizes 8 planets, with Pluto being demoted to a dwarf planet floating in the Kuiper Belt in 2006. Planet Nine's gravitational pull may explain what keeps ...
Did you know our solar system might have had an extra planet? ... sending it drifting into the unknown. If this planet is still out there, it could be wandering somewhere far beyond our ...
The Vera C. Rubin Observatory is expected to find millions of unknown objects in our solar system, and perhaps even a ...
(CNN) — Astronomers have discovered three previously unknown moons around Uranus and Neptune, the most distant planets in our solar system. The find includes one moon spotted orbiting Uranus ...
Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, researchers say. ABC News. Video. Live. Shows. Shop. Log In. Stream on.