Is it getting hot in here? Absolutely, it is as hot air pushes you 5,280 feet into the clouds. While joining the mile-high ...

You've probably seen lightning flash across the sky, but do you know why and how it happens? This simple science activity ...

advanced air mobility and artificial intelligence. Urban Sky Plans Constellation Of Stratospheric Balloons is published in Aerospace Daily & Defense Report, an Aviation Week Intelligence Network ...

Credit: Urban Sky MOUNTAIN VIEW, Calif. — Urban Sky, a company that has developed portable stratospheric balloons to perform imaging and other applications typically done by satellites ...

PARIS--A hot-air balloon brought an Olympic ring of fire into a rainy sky and singer Celine Dion ... The Eiffel Tower, its head visible below the clouds, Notre Dame Cathedral — restored from ...