I am just curious

Take a look around. Today has one small task, the Library on the home page lists everything, and the Learn menu is always at the top.

Read these first

Daily Bread
A short reading and one question a day. It takes five minutes.
The Mass, step by step
What happens and why, with the postures explained.
Catholics worship Mary and the saints
The line between honor and worship, and where Protestants still disagree.
Glossary
Plain definitions of the words you will keep running into.