This strange exoplanet, located 140 light-years away from Earth in the constellation Pegasus, appears to be rapidly falling apart. Its blistering host star is so close, the radiation is effectively melting it down, leaving behind a long tail of dust.

MIT astronomers have discovered a planet some 140 light-years from Earth that is rapidly crumbling to pieces. The disintegrating world is about the mass of Mercury, although it circles about 20 times