NightTerrors Published on Oct 26, 2017 Nine frightening end of the world predictions that pose the greatest threats to humanity today. Will the Earth perish in fire or in ice? You may not have to wait five billion years before the planet is burnt to a cinder. Our sun will exhaust its supply of hydrogen and begin to burn helium, growing into a red giant. The outer layer of the sun will envelope the Earth, reducing all life to ashes. This could lead one to ask, what might cause the world to end tomorrow?