titanic Rest of imploded deep-sea sub found, with "presumed" human remains Rob Beschizza

mistakes More harrowing tales from Oceangate's rinky dink Titanic tourist sub Rob Beschizza

oceangate Search team hears 'banging' sounds where the missing submersible disappeared Carla Sinclair

Technology The Titanic tourist sub that is now missing used "improvised" technology; it was steered by a game controller Ruben Bolling

passengers Lost sub's company OceanGate was warned about safety and possible "catastrophic"outcomes back in 2018 Carla Sinclair

search and rescue missions Small sub has vanished with 5 people on board who went to see the Titanic Carla Sinclair

makers Exploring the sea in a homemade submarine Popkin

Science The album Tubular Bells (with The Exorcist theme) accidentally contains morse code sent to UK military submarine David Pescovitz

submarines Missing Indonesian submarine declared sunk, all 53 aboard dead Jason Weisberger

boats Submarine carrying 53 crew members submerged Wednesday, hasn't been seen since, and is running out of oxygen David Pescovitz

submarines Huge submarine found off Maryland coast David Pescovitz

exploration You can take a diving tour of the Titanic wreck for $125,000 beginning May 2021 Thom Dunn

drugs Panama authorities seize narco-sub packed with 5 tons of drugs David Pescovitz

oceans Wealthy adventurer just became the first person to touch the bottom of the Atlantic Ocean David Pescovitz

family Surprise! It's a submarine! Jason Weisberger

war Watch a submarine crack through pristine ice in the Arctic Circle David Pescovitz

war How a World War II German sub captain used the toilet wrong and sunk his vessel David Pescovitz