Innovators gear up work on 'green' hydrogen plane with plans for nonstop 9-day trip around Earth
Swiss aviation pioneer Bertrand Piccard is developing a plane powered by liquid hydrogen after a much-hyped flight in 2015 ...
Californians brace for flooding in areas torched by wildfires as freezing rain, snow aim for Oregon
Rain has begun falling in California where an atmospheric river is expected to bring heavy downpours, winds and flooding to ...