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Pluto was long considered our ninth planet, but the International Astronomical Union reclassified Pluto as a dwarf planet in ...
Several planets stand still in the sky, Titan’s shadow transits Saturn, and Venus gives Taurus a second eye in the sky this ...
How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...
Pluto once held its place proudly as the ninth planet in our solar system,a distant, icy world on the edge of the cosmic frontier. But in 2006, everything changed. This in-depth explainer unpacks the ...
The James Webb Space Telescope (JWST) has discovered that a hazy sky over frozen Pluto is helping to cool the dwarf planet's atmosphere, while at the same time giving methane and other organic ...
Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...
The James Webb Space Telescope (JWST), operated by NASA, has uncovered intriguing new details about Charon—Pluto’s largest ...
Sedna, a distant dwarf planet three-quarters the size of Pluto, is inching toward the brightest star in our sky — and in 2076 ...
There’s a full moon rising in the grit and grind, strive and shine sign of the sea goat. The full buck moon will peak ...
Pluto at Last Nine years after leaving Earth, New Horizons closes in on the last of the Original Nine planets, and whatever lies beyond.
At the far reaches of our Solar System lies Pluto, a mysterious world shrouded in shadows and icy terrain. NASA’s latest ...
How long does it take Pluto to orbit the sun? Learn more about how this planet makes one lap around our Solar System.