When it comes to luxury real estate — and gadgets for grownups — buyers have never been more spoiled for choice. Especially in South Florida.

Submariners in the UK's Royal Navy are often undersea for weeks at a time, and while large warships can have relatively well-equipped gyms and physical trainers onboard, submarines tend to have ...

Early on March 27, a tourist submarine with 45 people on board sank in the Red Sea. Six died, including two children. The rest were rescued.

Personal submarines are a popular toy aboard huge yachts. Nick Verola Not only does the yachting class enjoy exotic deliveries — bagels from Zabar’s, sex workers, a rare melon from the island of ...

Living in tight quarters? An Navy submariner shares his tips for living in small spaces and coping strategies for social distancing.

Makers of luxury submarines braced for collapse after an expedition to the Titanic wreckage ended in disaster. But some deep-pocketed clients are still calling.

Brittany Nash, 24, from Melbourne, Australia, relocated to Honolulu, Hawaii, to work as a tourist submarine co-pilot after the pandemic.

The USS Cobia, a US Navy submarine, sank 13 enemy ships and rescued seven downed American pilots during World War II.