Lavish submarines for the niche sector known as "luxury adventure," as well as luxurious cruise ships, have gotten their share of criticism over the years from green activists and everyone who ...

The Kalibr submarine-launched cruise missile is one of several methods that the Russians will use to retaliate against the Ukrainians for their attack on Russian airbases deep inside the country. If ...

Russia’s most advanced submarine was spotted for the first time in waters near Japan, the country’s military announced Monday. A Yasen-class nuclear-powered submarine accompanied by a flotilla of ...

NEW YORK — Underwater sightseeing in a glass submarine, shopping with a chef for dinner ingredients and volunteering with locals: These are some of the new options this season for cruise passengers.