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 ...

The instrument at Lowell Observatory used by Clyde Tombaugh to discover Pluto will soon undergo renovation. The year-long project, set to begin on January 12, will include restoration of both the ...

This composite of enhanced color images that NASA’s New Horizons mission took when it flew near Pluto (lower right) and Charon (upper left) on July 14, 2015. While Pluto and Charon’s true separation ...

PHOENIX – The Pluto Discovery Telescope at Lowell Observatory has reopened for the first time in a year after undergoing renovations. The telescope in Flagstaff was made famous on Feb. 18, 1930 when ...

The latest NASA Hubble Space Telescope images of Pluto’s two newly discovered satellites reveal that the new moons have the same color as Charon. All three of Pluto’s satellites reflect the Sun’s ...

Observations by the James Webb Space Telescope are giving scientists a fuller understanding about the composition and evolution of Pluto’s moon Charon, the largest moon orbiting any of our solar ...

Pluto might be small and distant, but it keeps surprising scientists. After the New Horizons spacecraft zipped past it in 2015, we got our first real look at its icy landscape and unexpectedly active ...

It took NASA's New Horizons spacecraft almost a decade to reach Pluto and its moon, Charon, and it didn't get to hang around long before zooming off into the outer solar system. Scientists from the ...

A year after discovering Pluto's fourth moon, "P4," astronomers have learned of a fifth thanks to new images from the Hubble Space Telescope. Inventively named "P5," the moon is believed to be between ...

Hubble spots white dwarf star 'snacking' on chunk of Pluto-like object. The NASA/ESA Hubble Space Telescope has spotted a ...

Using the James Webb Space Telescope, astronomers have discovered carbon dioxide and hydrogen peroxide at the surface of Pluto's largest moon, Charon, potentially shedding light on its origins. When ...