If you're looking for a lighter-than-air yacht, 21st Century Airships builds highly advanced craft that can be used for promotions or just for fun.

Propulsion for the megayacht comes from 4 HTS engines, with a maximum speed of 22 knots (25.3 mph/41 kph) and the possibility to use the airship propellers for a more efficient sailing experience.

Lazzarini's latest yacht concept, the Colossea, is a 699-foot vessel that comes with a 347-foot detachable airship, for exploring via sky and sea.

Google cofounder Sergey Brin's airship is ready to take flight. LTA Research, Brin's company that aims to deliver humanitarian aid through "lighter than air" blimp-like vehicles, announced this ...

"The Colossea mega-yacht is an itinerant floating docking station for the detachable airship. "Colossea is a concept design, but the estimated cost for the real construction is about $1B." ...

Google cofounder Sergey Brin has been working on a secretive airship company for over 4 years. Here's how the billionaire plans to use the 'air yacht' to deliver humanitarian aid. Avery Hartmans ...

The smaller Atlas 6 seats eight. This airship is designed with the motors far from the passengers, resulting in a smooth flight with little vibration – the opposite of a typically noisy touring ...

The airship's helium volume reaches 6.3 million cubic feet, enabling it to reach a maximum altitude of 10,000 feet. Propelled by 32 electric propeller drives with a combined 5,360 horsepower, the ...

The most recent sub-scale ship that went to air is 20 feet long, with airspeeds of up to 35 miles per hour and a payload capacity of 10 pounds, but the ultimate aim is to build an airship that’s ...

Google cofounder Sergey Brin's airship company, LTA Research, announced it received clearance to begin outdoor flights for its massive Pathfinder 1.