NASA scientists expected something strange when they planned a mission beyond Pluto - but Arrokoth exceeded all predictions.

In 2006, NASA launched New Horizons to explore Pluto. In 2019, it visited the furthest object in the Solar System we have ...

Kuiper Belt Object Arrokoth, the farthest object ever explored by a spacecraft, likely tastes sweet — and soapy.

The Kuiper Belt object named "486958 Arrokoth," or simply "Arrokoth," may have more in common with a snowman than just its shape. New research suggests there's ancient ice locked within its frosty ...

That’s the conclusion according to a new study published May 1 in Icarus, which investigated the mysterious properties of deep-space bodies like the Kuiper Belt Object 486958 Arrokoth, which ...

In other words, the surface of Arrokoth is probably laden is with the chemical building blocks for life — and that’s pretty sweet, too. “Sugar Worlds” Meet With Earth.

Arrokoth averages around minus-384 degrees, but warms to minus-352 degrees if you stand directly under a high sun. That's just 76 degrees above absolute zero (minus 460 degrees), ...

Researchers found that the double-lobed object, which is officially named Kuiper Belt Object 486958 Arrokoth and resembles a snowman, may have ancient ices stored deep within it from when the ...

Left image was captured by the Multicolor Visible Imaging Camera (MVIC), a part of the ralph instrument aboard New Horizons. Taken on January 1, 2019, just 7 minutes before its closest approach ...

A new paper presents findings about the Kuiper Belt Object 486958 Arrokoth, shedding new light on the preservation of volatile substances like carbon monoxide in such distant celestial bodies. The ...

The object, named Arrokoth, is an icy body that looks like two irregular M&Ms stuck together. When New Horizons took close-up photographs of it in 2019, planetary scientists were puzzled by its ...