On April 14, 1912, the British liner RMS Titanic — on its maiden voyage — collided with an iceberg in the North Atlantic at 11:40 p.m., ship’s time, and began sinking.

In 2023, OceanGate CEO Stockton Rush and his passengers traveled deep into the Atlantic Ocean, planning to explore the RMS Titanic's wreckage. Before they reached their destination, the ...