For the first time since its discovery in 1920, Pluto is entering the outer solar system—a journey that’s slowly thinning out ...

Pluto is on an icy march away from the sun. In 2114, it will turn back, but until then, its elliptical orbit will carry it to ...

The rare encounter revealed a distant world with giant ice sheets, mountains, valleys, and terrains unlike any other seen in the solar system. By reexamining those iconic images, scientists believe ...

New Horizons transformed Pluto from a blurry dot into a complex frozen world with mountains, plains, haze, and surprising ...

NASA’s New Horizons spacecraft recently came out of hibernation to continue its journey through an unexplored part of the solar system.

New Horizons is often placed into a resource-saving mode while cruising long distances, and had been in hibernation near Pluto since August 7.

Christmas is still a while away, but Christmas in July is almost here, and one streaming service is helping users celebrate. Pluto TV launched its Christmas in July celebration Wednesday. Running ...

Terrestrial planets experience landslides in spades, and so do some moons, asteroids and comets. But — until now — they’ve never been definitively spotted on Pluto, even though the icy world has all ...