US Coast Guard leading the search for Titan and the five people aboard, noting that it is 'a challenge to conduct a search in that remote area'

OceanGate Expeditions, which has run annual expedition since 2021, says it is determined to find five people aboard vessel

Over 600 people are feared dead in Mediterranean disaster that has left more questions than answers about ship's final hours

The USS Samuel B. Roberts, which took part in the Battle off Samar, recently identified broken into two pieces on a slope at a depth of 6,985 meters

Famed explorer's vessel became ensnared in sea ice for over 10 months before being crushed and sinking; miraculously, all the crew survived

Engineers discover wreck during underwater power cable inspection; captain of Karlsruhe gave instruction after ship was hit by Norwegian artillery, torpedoed by British submarine