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 ...
'Built to burn.' L.A. let hillside homes multiply without learning from past mistakes
Los Angeles County keeps building in hillsides and canyons even as the fire risk worsen. For a century, the lure of ...