The 'Titanic' sinking became the most infamous shipwreck in history—but what really happened on that unusually calm night in ...

And I wanted to be the first kid to put footprints on the sand ... elements and find the truth and try and share it. NOVA: The sonar technology on the Navy NR-1 nuclear submarine ...

The 'Titanic' is one of the most famous shipwrecks on the seafloor. Its discovery was part of an unrelated Navy investigation ...