NASA launched the New Horizons probe which would provide never-before-seen images of the dwarf planet, its moons and other objects.
Arrokoth is composed of two separate bodies, 3 and 9 miles across. In the distant past they rotated so slowly about each other that their mutual gravitational attraction caused them to come together ...
The same year that Pluto was ignominiously stripped of its status, a paper was published theorizing that there was another planet, a very big planet, beyond Neptune. The Planet Nine theory was ...
Billions of years ago, in the icy outskirts of the solar system, a dramatic collision forged the unusual pairing of Pluto and ...
Pluto's Largest Moon Formed Through ‘Kiss and Capture’ Event Redefining Icy Worlds, New Study Explains Experts postulated a ...