There’s a heartbreaking secret behind Jennifer Aniston and Brad Pitt‘s attempts to start a family — The ENQUIRER has learned that the power couple were rocked by a devastating miscarriage.

But sources say the tragedy has only served to reinforce the pair’s strong bond of love.

The issue that goes on sale Friday details the miscarriage drama, tells how Brad helped Jennifer deal with her heartbreak, reveals why it’s so important for the couple to start a family ? and more.