The latest edition of our weekly Dezeen Agenda newsletter features Migaloo's design for a submersible superyacht. Subscribe to Dezeen Agenda now. More about Dezeen Agenda features Migaloo's giant luxury submarine
Austrian company Migaloo has unveiled its design for a 165-metre-long submersible superyacht that could allow the ultra-rich to enjoy private underwater adventures. More about Migaloo aims to disrupt superyacht market with giant luxury submarine
A team of designers led by Faris Rajak Kotahatuhaha proposes re-freezing sea water in the Arctic to create miniature modular icebergs using a submarine-like vessel, in a bid to combat climate change. More about Iceberg-making submarine aims to tackle global warming by re-freezing the Arctic
Elon Musk is insisting that the escape pod he hand delivered to the cave rescue team in Thailand is fully functional, after being criticised by the head of the mission. More about Elon Musk rubbishes claims his tiny submarine was "not practical" for Thai cave rescue
Aston Martin has collaborated with submersibles manufacturer Triton to create a concept for a limited-edition submarine, which it hopes will "redefine luxury for a select few". More about Aston Martin reveals plans for million luxury submarine
Dutch company Ortega has designed an electric submersible for divers, which it claims is the fastest of its kind. More about Ortega creates electric open-top submarine for divers
Cities that float on water could offer an alternative to destroying the earth's valuable countryside according to architecture studio AT Design Office, who has developed a concept for an ocean metropolis (+ slideshow). More about Floating City concept by AT Design Office features underwater roads and submarines