Here is a site that tells much about the angels.What is known about angels and where does the knowledge come from? What is the extent of an angel’s freewill? Lucifer chose to oppose God, could an angel like Gabriel or Michael ever fall? Are angels still actively being created like humans are?
Yes, a very well written book with a simple layout.There is an excellent book written by Peter Kreeft in question and answer form. It is called “Angels and Demons”.
That article is an excellent summary by Father John Hardon!Yes, a very well written book with a simple layout.
A few thing the Church has taught about Angels;
The existence of Angels and their spirituality is De fide. IV Lateran Council (DB 428) and in the Vatican (DB 1783, 1805).
They being pure spirits (without bodies “corpus subtile”) is Sent. certa.
A worthwhile read,
hardonsj.org/have-angels-taken-flight-from-catholic-theology/