What was originally thought to be a planet orbiting the Fomalhaut star was probably just the fallout of a wild collision.
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Planet 9 is still invisible, but the numbers won’t let it go
Far beyond Neptune, something heavy appears to be tugging on the outer solar system, bending the paths of distant icy worlds ...
Our solar system’s origin story spans billions of years and involves clouds of gas, cosmic collisions, and planetary migrations that shaped the worlds we know today. While it may seem intuitive that ...
The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...
This artist’s concept depicts one of the solar system’s inner planets slamming into Earth after being nudged on a collision course by a passing star. Such a world-shattering cataclysm is extremely ...
When 'Oumuamua traversed our solar system in 2017 it was the first confirmed Interstellar Object (ISO) to do so. Then in 2019, Comet 2l/Borisov did the same thing. These are the only two confirmed ...
Pluto was reclassified as a dwarf planet in 2006. Our solar system may have a ninth planet after all, researchers say. The possibility that an additional planet may be hidden far into the solar system ...
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