The resurrection of the body is a doctrine held by the normal churchgoer in the West, but is mostly retained in rhetoric and not believed with unyielding certainty as it was in the early church. Most believe in a resurrection, but believe in an ethereal, "heavenward" resurrection where we will play a harp on a cloud in a never-ending worship service.
The resurrection of the body and the restoration of the earth to its original glory is the hope of every believer. The Holy Spirit is the "down payment" of our resurrection and testifies to the coming Day through signs, wonders, and miracles.
In these notes (session 5) of John Harrigan's Biblical Theology Seminar, John walks through scriptures that support this understanding.