At the time of the Triton encounter, Pluto was actually slightly closer to the Sun than Neptune was. But Pluto always maintains a healthy distance from Neptune, because their orbits are synchronized.

Pluto at Last Nine years after leaving Earth, New Horizons closes in on the last of the Original Nine planets, and whatever lies beyond.

Sedna, a distant dwarf planet three-quarters the size of Pluto, is inching toward the brightest star in our sky — and in 2076 ...

Aeolian bedforms are common on Earth and across the solar system, including on Mars, Venus, Pluto, the Saturn moon Titan, the Neptune moon Triton, and Comet 67P. These geological features, among the ...

New James Webb Space Telescope data reveal Pluto's high-altitude haze is a key driver of the climate on the dwarf planet, offering clues to Earth's ancient atmosphere.

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JWST has confirmed Pluto’s bizarre atmospheric behavior and its ghostly interaction with Charon. These findings could reshape our understanding of distant icy worlds—and even hint at how Earth once ...

The solar wind pushes some of the gas and dust away from the comet, forming those beautiful tails we see. A comet actually ...

The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...

Science News: The James Webb Space Telescope reveals new details about Pluto's climate. Data confirms that Pluto's haze regulates its temperature. The haze absorbs ...

The astronomers noted that the haze is not just a visual oddity, but something that controls Pluto's climate.