Researchers say they've identified a minor planet beyond Pluto that's wrapped in an extremely thin envelope of gases.
Beyond the edge of Neptune, a distant realm of icy debris known as the Kuiper Belt stretches deep into space. This frozen frontier holds the scattered remains of the early solar system, offering ...
There may be a warp in the Kuiper Belt, possibly caused by “Planet Y” — a Mercury-to-Earth-sized world that orbits the sun way beyond the orbit of Neptune. Is there a mysterious “Planet Y” orbiting ...
Unexpected atmosphere: A 300-mile-wide Kuiper Belt object, 2002 XV93, appears to host a thin atmosphere despite models saying it should have lost all gas long ago. Observation method: The atmosphere ...
The head of NASA says maybe Pluto is a planet after all. He is wrong because Pluto is part of the rest of the solar system ...
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A rare observation opportunity revealed the presence of a thin atmosphere around a small object beyond Pluto.
A new paper hypothesizes that there could be a Mars-sized object on the outskirts of the Kuiper Belt. If true, this would be distinct from the hypothesized Planet 9. Share on Facebook (opens in a new ...
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