When LTA Research floats its 400-foot-long Pathfinder 1 airship out of the hangar for a test flight, it’s the biggest aircraft in the world. But this is just a prototype for an even bigger ...

The first of Brin’s green and modern airships to take off soon Brin’s company, LTA Research, has been working on developing "lighter than air" vehicles that use helium to float in the sky.

Airships, which for centuries have reflected the inventive spirit of visionaries such as Leonardo da Vinci and Jules Verne, are currently experiencing a renaissance. Though they’ll never compete ...