Stunning new images of Pluto show towering mountain ranges made of ice, hinting that the dwarf planet may harbor geysers or ice volcanoes. The pictures were snapped by NASA's New Horizons ...

Being one-tenth as massive as Pluto, Charon orbits a point just outside Pluto’s surface, making Pluto-Charon the only known binary planet in our solar system.

PhD student Noah Hammond at Brown University says that data returned in 2015 by NASA's unmanned New Horizons deep-space probe indicates that Pluto may have a subsurface ocean similar to those ...

PLANET, dwarf planet or the little world that could? One thing’s for sure: it’s the Frankenstein’s monster of the outer solar system, because Pluto looks like bits of different worlds ...

Scientists expected Pluto's surface to be heavily marked with craters from billions of years of pummeling by space rocks. Instead the team discovered the dwarf planet's surface — or at least the ...

Despite Pluto's reclassification as a dwarf planet, it continues to fascinate researchers and space observers around the world. A few reasons include that its orbit is elliptical and has a 17 ...

Mountains on the small planet measuring a mere 7,232 km (4,494 miles) in circumference are, in theory, not supposed to exist. But exist they do. Several of the first new photographs of Pluto ...

Windblown features on (from top left, clockwise) Earth, Mars, Titan, Venus, Pluto and Triton have been imaged by satellites. (Image credit: Nature Astronomy/Image adapted from Gunn and Jerolmack ...

Pluto may harbour a slushy water ocean beneath its most prominent surface feature, ... The space probe flew by the dwarf planet in July 2015 and is now headed into the Kuiper Belt, ...

Pluto may harbour a slushy water ocean beneath its most prominent surface feature, known as the "heart".