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.
A new mystery has been discovered in the migratory behavior of birds! Many songbirds travel long distances during their annual migrations, and it makes sense for them to do everything they can to conserve their energy during ...
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.
A rocket carrying student experiments has been launched from Virginia's Eastern Shore.
NASA astronaut Scott Kelly (@StationCDRKelly), currently on a year-long mission on the International Space Station, took this photograph of a sunrise and posted it to social media on Aug. 10, 2015.