There are regions in Pluto where huge ice structures exist. Scientists finally think they know how they are formed. Scientists have solved one of Pluto's most puzzling mysteries. In 2015 ...

These efforts confirmed the existence of polar caps and suggested seasonal changes ... Instead of a barren ice ball, Pluto featured vast plains of nitrogen ice, jagged mountains made of water ...

The polar ice caps not only keep the Earth cool ... how Earth’s belly may soon be welling with water, the same way Pluto’s heart is frozen with ice. “We learned last year that many of ...

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto turns out to have as much complexity as Mars or Earth, so much so that I ...

According to data gathered from the New Horizons spacecraft, scientists say that Pluto is likely to have water ice, geysers, and volcanoes. The ice mountains are 11,000 feet high, and the planet's ...

NASA on Friday released its first glimpse of a strange mosaic of ice on Pluto. WSJ's Robert Lee Hotz reports. Photo: NASA/JHUAPL/SwRI ...