2 Peter 2:4

2:4 For if God did not spare the angels who sinned, but threw them into hell and locked them up in chains in utter darkness, to be kept until the judgment,

2 Peter 3:12

3:12 while waiting for and hastening the coming of the day of God? Because of this day, the heavens will be burned up and dissolve, and the celestial bodies will melt away in a blaze!