Angels are throughout the Bible.
But when He again brings the firstborn into the world, He says: “Let all the angels of God worship Him.” Hebrews 1:6
For the Son of Man has come to save that which was lost. Matthew 18:11.
For He will command His angels concerning you to guard you in all your ways. On their hands they will bear you up, lest you strike your foot against a stone. Psalm 91:11-12.
See, I am sending an angel ahead of you to guard you along the way and to bring you to the place I have prepared. -Exodus 23:20.