Innovators up work on 'green' hydrogen plane with plans for 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 ...
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‘City-killer’ asteroid headed towards Earth with 2.3% chance of impact in 2032. India a ...
Situation is significant enough to warrant global planetary defence community's attention. Astronomers plan to use James Webb ...