Pluto's days, though they drag on a bit at around 153 hours, are nothing compared to its years. Pluto's orbit takes 248 Earth ...

Giant, ridge-like structures of methane ice, known as "bladed terrain," may be much more abundant along Pluto's equator than previously realized, a new study suggests. When you purchase through links ...

Our world is full of incredible sights, from shining aurorae to curtains of lava, but looking beyond, we see beautiful full moons every four weeks. Even farther out, New Horizons showed us the surface ...

Pluto, once considered the ninth planet, was reclassified as a dwarf planet in 2006 because it shares its orbital path with ...

Every planet takes its turn going retrograde, and since Sunday, May 4, Pluto, the planet of transformation, has moved backward through the zodiac, presenting a chance to go inward and find new ways to ...

The space telescope is peering into our own solar system's future. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Anyone hungry for the icy ...