High-altitude balloons or stratostats are usually uncrewed balloons typically filled with helium or hydrogen and released into the stratosphere, generally...

800 ft); Testing a high-altitude parachute system, Joseph Kittinger of the U.S. Air Force parachuted from the Excelsior III balloon over New Mexico at...

From January 28 to February 4, 2023, a high-altitude balloon originating from China flew across North American airspace, including Alaska, western Canada...

Chinese balloon in 2023 (later shot down off the coast of South Carolina), the U.S. began more closely scrutinizing its airspace at high altitudes, including...

Barrage balloons are not practical against high-altitude aircraft‍—‍the long cable required for a high-altitude balloon would be too heavy. France, Germany,...

A weather balloon, also known as a sounding balloon, is a balloon (specifically a type of high-altitude balloon) that carries instruments to the stratosphere...

either aerodynamic like airplanes, or aerostatic like airships or balloons. High-altitude long endurance (HALE) military drones can fly above 60,000 ft (18...

access to rural and remote areas. The company used high-altitude balloons in the stratosphere at an altitude of 18 km (11 mi) to 25 km (16 mi) to create an...

undertake space engineering projects. Current projects include a high altitude balloon platform for near-space research and testing, a rover design for...

beneath is a gondola or wicker basket (in some long-distance or high-altitude balloons, a capsule), which carries passengers and a source of heat, in most...