Revelation 4:8
And each of the four living beings had six wings [and] were covered with eyes all around them and [even] within them. And day and night they never stop saying, [Note: Some translations have "singing" here and at other places below], "Holy, holy, holy [is] the Lord God Almighty, who was [in the past] and who is [in the present] and who will come [in the future]."
Luke 1:10
There was a whole crowd of people praying outside because it was the time for burning the incense offering.
Hebrews 1:7
But God said [this] about the angels [Psa. 104:4 LXX], "He [i.e., God] makes His angels to be [like] winds and His servants [like] flames of fire." [Note: The idea is probably that angels obediently serve God's purpose similar to the way wind and lightening do].
Revelation 7:11
And all the angels were standing around the throne and around the [twenty-four] elders and the four living beings. And they fell down on their faces in front of the throne and worshiped God,
Revelation 8:13
And as I looked, I heard an eagle flying in midair, saying in a loud voice, "It is bad, very bad, awful bad for those people who live on earth, because of the sound of the trumpets of the remaining three angels!" [i.e., because of the messages they will deliver].
Revelation 14:6
Then I saw another angel flying in mid heaven. He had eternal good news to proclaim to those who lived on the earth, and to every nation, tribe, language group and race.