A British-made stealth plane has claimed a new world record for the longest continuous flight, spending 67 days in the ...

Airbus subsidiary Aalto claimed to break its own world record for the longest continuous flight, with its Zephyr HAPS ...

To this end, Loon used NOAA-provided wind data for the stratosphere (starting between 10 and 20 km altitude). Each balloon would be directed to a layer where the air current was headed in the ...