The three main types of airships are rigid, semi-rigid, and non-rigid. Non-rigid airships are what people commonly call blimps. Blimps rely on internal pressure to maintain their shape.

Pathfinder 1, bankrolled by a Google billionaire, is an attempt to revive the airship. A century after terrifying disasters, ...

Goodyear's fleet of three blimps is based out of Akron, Ohio; Carson, Calif.; and Pompano Beach, Fla.; and the company will gradually update it with the new airships. The first zeppelin is being ...