The peaks in the second mountain range are estimated to be 1-1.5 kilometres high. Photograph: NASA/JHUAPL/SWRI National Aeronautics and Space Administration New Horizons spacecraft has......
A view of icy, frozen plains on Pluto. Photograph: NASA Smooth, icy plains have been spotted on the surface of Pluto, in the latest images released on Friday from a NASA spacecraft that flew by......