The five explorers aboard the ill-fated Titan submersible joined a list of dozens of thrill-seekers who have died or vanished this year in the midst of some of the world’s most deadly pursuits. 

At least 85 people have met their deaths or disappeared in 2023 while partaking in risky adventures such as climbing Everest, descending the depths of the ocean, combating avalanches — or even less extreme hobbies like backcountry skiing or big-wave surfing.