A search-and-rescue mission was underway after the craft went missing in the North Atlantic, the Coast Guard said. It was unclear how many people were onboard.
On the short-form video app, long-established facts about the 1912 disaster at sea are being newly litigated as musty rumors merge with fresh misinformation and manipulated content.
Each spring, opalescent icebergs from the Greenland ice sheet pass through Iceberg Alley, off the eastern edge of Canada, on a slow-motion journey southward.