A mobile solar-powered unit generates hydrogen and stores it safely. Long-endurance drones using fuel calls can be easily ...

This is what happened when a blimp exploded over Redding in 1909, and where you can visit its famous captain's grave.

FILE - In this May 6, 1937 file photo, the German dirigible Hindenburg crashes to earth in flames after exploding at the U.S. Naval Station in Lakehurst, N.J. Doehner was the only person left of the ...

See images of the airship America before and after its hydrogen ignited and the blimp exploded in 1909 over what is now ...