The Gospel of Matthew inspired an enduring Christian symbol: Jesus passing the keys to Peter. Cardinals are now choosing who will hold the keys — and their power — next.

Experts say that while the image exists in early Christian symbolism, representing Jesus as a caring shepherd, tending to his flock and guiding those in need, finding it on a ring was rare.

The Egyptian ankh—a symbol of life—has long intrigued scholars and conspiracy theorists alike for its resemblance to the Christian cross. This video explores the real connection between the ...