SpaceDistant dwarf planet Makemake might have a surprising ice volcano A small world in the outer solar system appears to have volcanic activity possibly spurred by liquid water ¿ìè¶ÌÊÓÆµ
SpaceMercury may have a layer of diamond beneath its grey surface When the planet Mercury formed 4 billion years ago, conditions may have been just right to form a thick layer of diamonds below its surface ¿ìè¶ÌÊÓÆµ