Living at high altitude could protect against obesity, according to a study of more than 4 million children across Colombia. The finding fits with existing evidence that high altitudes help ward off ...

Russia’s foreign minister arrived in Alaska for Friday’s high-stakes US summit wearing a Soviet Union sweatshirt — an apparent jab reminding the world of the Kremlin’s ultimate goal to reassemble the ...

Questionable altitude data and challenges facing new army pilots are among factors that have surfaced as part of the National Transportation Safety Board’s investigation into the fatal 29 January ...