It was Sept. 1, 1985. Stewart Harris was about one hour into his midnight-to-4 a.m. shift searching for the sunken RMS Titanic. The designer of the Argo sled was keyed up, having spotted lead pipes ...

Thanks to LED lighting and digital cameras, sea life swimming around some of the world’s sunken ships ― including the RMS Titanic ― is so bright and clear that it feels like peeking into an aquarium ...