Facebook says it will begin test flights later this year for a solar-powered drone with a wingspan as big as a Boeing 737, in the next stage of its campaign to deliver Internet connectivity to remote parts of the world.
Modern mountain climbers typically carry tanks of oxygen to help them reach the summit. It's the combination of physical exertion and lack of oxygen at high altitudes that creates one of the biggest challenges for mountaineers.
Plumes seen reaching high above the surface of Mars are causing a stir among scientists studying the atmosphere on the Red Planet.
US researchers extol the virtues of high-altitude balloons for science education in a research paper published in the International Journal of Learning Technology. According to Jeremy Straub of the University of North Dakota ...
Roller Coaster migratory flights of geese give unique insights into bird physiology and biomechanics at high altitudes.
When we think of spaceflight, we think astronauts. You're a human, you perceive the Universe with your human-centric attitudes. You… specist.
Tibetans were able to adapt to high altitudes thanks to a gene picked up when their ancestors mated with a species of human they helped push to extinction, according to a new report by University of California, Berkeley, ...
The Virgin Galactic spaceship destroyed when it broke apart high over the Mojave Desert was designed to take tourists on a fleeting thrill ride through the lower reaches of space.
A newly declassified CIA document confirms the existence of famed Area 51 in Nevada, but conspiracy theorists will be disappointed the spy agency offers no proof of alien spaceship landings in the desert.