Doctors attributed their uneasiness to high-altitude sickness, likely caused by a sudden shift from the scorching heat of the plains—where temperatures crossed 40°C—to Shimla’s much cooler climate, ...

The root cause for why this breakdown occurred is now the subject of a multi-agency, multi-country investigation led by ...

In extreme cases, a runway could simply be too short to accommodate the heaviest planes in the hottest weather. One study ...