When a passenger on a flight to Miami started yelling and shaking, flight attendants thought he was having a seizure. But it turned out the man was struggling with a demonic spirit he thought had invaded the cabin — and, at one point, began swallowing rosary beads to ward that spirit off.

After months of drifting, the world’s largest iceberg — which is about four times as big as New York City — has come to a halt near the island of South Georgia in the South Atlantic Ocean. Here's what to know.