Researchers discover an unusual acoustic phenomenon in Pirunkirkko cave, suggesting its possible use in ancient shamanic ...

Cave art has mesmerized people for so long, but a talented creator has turned New Mexico's underground into settings for ...

What is mystical union with Christ? Relating this word 'mystical' to Christianity may seem strange to some and the word may conjure up images of wizards and witches or vague new age spirituality. Yet ...