In 2015, after flying for 9 years and covering nearly 5 billion kilometers, the New Horizons spacecraft successfully flew ...

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

Summer 2015 was marked by a unique astronomical event, which occurs approximately once in the history of astronomy. The New ...

CAPE CANAVERAL, Fla. (AP) — NASA's New Horizons spacecraft has sent back the last bit of data from its 2015 flyby of Pluto. The picture — one of a sequence of shots of Pluto and its big moon, Charon — ...

During observations of Pluto, an astonishing discovery gradually emerged—there seems to be ice volcanoes on Pluto. This ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The dwarf planet Pluto was imaged up-close for the first time by the New Horizons probe in July ...

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Pluto and its moon Charon imaged by the New Horizons spacecraft in 2015. Image: NASA/JHUAPL/SwRI Start Slideshow It’s been 91 years since amateur astronomer Clyde Tombaugh first spotted Pluto on a set ...

Pluto, once considered the ninth planet, lies over 6 billion kilometers from Earth, making it one of the most difficult destinations in space exploration. The only spacecraft to reach it, New Horizons ...