There's bad news for this nearby exoplanet we hoped was habitable

Bad news if you were thinking of relocating to Proxima Centauri b, the exoplanet closest to our solar system and once believed to be a decent candidate for supporting life. The planet, approximately 4.2 light years or 25 trillion miles from Earth, orbits the red dwarf Proxima Centauri, in a position where – in theory, at least – water could …