The Mass

"For as often as you shall eat this bread, and drink the chalice, you shall shew the death of the Lord, until he come. Therefore whosoever shall eat this bread, or drink the chalice of the Lord unworthily, shall be guilty of the body and of the blood of the Lord. But let a man prove himself: and so let him eat of that bread, and drink of the chalice. For he that eateth and drinketh unworthily, eateth and drinketh judgment to himself, not discerning the body of the Lord. Therefore are there many infirm and weak among you, and many sleep."

~1 Corinthians 11: 26-30

It is the whole community, the Body of Christ united with its Head, that celebrates. "Liturgical services are not private functions but are celebrations of the Church which is 'the sacrament of unity,' namely, the holy people united and organized under the authority of the bishops. Therefore, liturgical services pertain to the whole Body of the Church. They manifest it, and have effects upon it. But they touch individual members of the Church in different ways, depending on their orders, their role in the liturgical services, and their actual participation in them." For this reason, "rites which are meant to be celebrated in common, with the faithful present and actively participating, should as far as possible be celebrated in that way rather than by an individual and quasi-privately."

The celebrating assembly is the community of the baptized who, "by regeneration and the anointing of the Holy Spirit, are consecrated to be a spiritual house and a holy priesthood, that through all the works of Christian men they may offer spiritual sacrifices." This "common priesthood" is that of Christ the sole priest, in which all his members participate:

Mother Church earnestly desires that all the faithful should be led to that full, conscious, and active participation in liturgical celebrations which is demanded by the very nature of the liturgy, and to which the Christian people, "a chosen race, a royal priesthood, a holy nation, a redeemed people," have a right and an obligation by reason of their Baptism.

~Catechism of the Catholic Church, Paragraphs 1140-1141

Adoremus - Society for the Renewal of TheSacred Liturgy

A great resource for matters of Catholic worship and liturgy. You are able to sign up by email for their free monthly bulletin, which includes news, articles and a question and answer section.
Mission: "Adoremus fosters the sound formation of Catholic laity in matters relating to the Church’s worship consistent with the Second Vatican Council and the Magisterium of the Catholic Church, and aids Catholics (including priests and seminarians) with reliable information and encouragement.  Adoremus provides sound resources to promote a more reverent, beautiful, and holy celebration of the Mass and other forms of worship."

Find a Catholic Church near you, wherever you may be in the world. Catholic worship times for Mass, Confession, Adoration and Holy Days are all listed. A great resource for when you are travelling or to find a nearby daily Mass at a convenient time for you. 

the mass in 155ad

The Mass in155ad is described by Justin Martyr in a letter to the Roman Emperor, Antoninus Pius.

The Parts of the Mass - Ascension Presents

Jeff Cavins explains the parts of the Mass and how we can get more out of it. Each video in this mini-series is about 5 minutes. Excellent!