Pluto’s thin, blue haze glows in this image from NASA’s New Horizons spacecraft. Though the dwarf planet is just a faint speck through a telescope, opposition this month offers skywatchers their best ...

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 ...

NASA's New Horizons spacecraft captured this image of Pluto's surface shrouded in atmospheric haze. (Credit: NASA/JHUAPL/SwRI) The first observations of Pluto by NASA’s James Webb Space Telescope ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Astronomers have found a distant celestial body — ...

Even early humans quickly recognized the difference between the stars and the planets, with the objects now known as planets appearing to travel across the night sky over the course of the year, or ...

One of the closest and brightest globular clusters visible from Earth, M22 contains hundreds of thousands of stars packed into a tight, elliptical shape about 10,000 light-years away. Photograph by ...

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 ...

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. When you purchase through links ...

NASA says its Hubble Space Telescope has captured evidence of a white dwarf star consuming the remnants of a Pluto-like object - a scenario that may predict what will happen to planets in our own ...

This composite image from the Hubble Space Telescope shows Pluto and its largest moon, Charon, at the center. Pluto's four smaller moons orbit this 'binary planet' and can be seen to the right and ...