Text posted with the May 20 Facebook video said: “Compilation footage of 120,000k+ ft high altitude balloon shows a completely flat horizon proving the flat Earth and completely destroying the ...

Amateur astronomers and even high-altitude balloons show the same curvature. Response: The horizon appears flat because of human perspective and scale. However, from higher altitudes — such as ...

It didn’t take long for my body to recognize the sudden lack of oxygen, reminding me that the effects of altitude are very real. Despite well-established literature on the impacts of high ...

Jason Krueger says his company StratoStar in Fishers, Indiana, has helped students and companies to launch more than 1,000 high-altitude balloon missions since 2006. Student projects have included ...

US airspace is no stranger to voluminous, slow-moving objects. High-altitude balloons are used for a vast array of authorized purposes in the public and private sectors, such as monitoring the ...

Noctilucent or night-shining clouds are rare, high-altitude clouds that glow with a blue, silvery hue at dusk or dawn when the sun shines on them from below the horizon. These ice clouds typically ...