Scientists have discovered methane gas on the dwarf planet Makemake, a finding that has surprised astronomers studying the outer solar system.
The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.
More than 50 times further from the Sun than Earth, the tiny dwarf planet Makemake is one of the last places you'd expect to ...
Dwarf planet Ceres now appears less like a dead rock and more like a world that may have briefly brimmed with potential for life ...