New Horizons collects first science on a post-Pluto object

Warming up for a possible extended mission as it speeds through deep space, NASA's New Horizons spacecraft has now twice observed 1994 JR1, a 90-mile (145-kilometer) wide Kuiper Belt object (KBO) orbiting more than 3 billion ...

2007 OR10 is the largest unnamed dwarf planet in the solar system

Dwarf planets tend to be a mysterious bunch. With the exception of Ceres, which resides in the main asteroid belt between Mars and Jupiter, all members of this class of minor planets in our solar system lurk in the depths ...

Image: Pluto's 'halo' craters

Within Pluto's informally named Vega Terra region is a field of eye-catching craters that looks like a cluster of bright halos scattered across a dark landscape.

Pluto's haze varies in brightness

Scientists on NASA's New Horizons mission team are learning more about the structure and behavior of Pluto's complex atmosphere by discovering new attributes of its extensive haze layers. The hazes were first discovered by ...

Image: Pluto's bladed terrain in 3-D

One of the strangest landforms spotted by NASA's New Horizons spacecraft when it flew past Pluto last July was the "bladed" terrain just east of Tombaugh Regio, the informal name given to Pluto's large heart-shaped surface ...

New Horizons imagery reveals small, frozen lake on Pluto

NASA's New Horizons spacecraft spied several features on Pluto that offer evidence of a time millions or billions of years ago when – thanks to much higher pressure in Pluto's atmosphere and warmer conditions on the surface ...

Picture of Pluto further refined by months of New Horizons data

When the New Horizons spacecraft made its flyby of Pluto on July 14, 2015, there was worldwide celebration that we'd finally gotten our first detailed look at this completely new type of planet in the outer reaches of our ...

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