The clever engineering secret behind those deep metal ridges on escalator stairs and how this simple, invisible safety ...

Now officially taking rides: an over-a-half-mile long escalator that stretches ever upward in a mountainous city in China’s Chongqing municipality. Called the “Goddess” escalator, its endeavors ...

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I understand that escalators aren't technically vehicles. I think elevators are, at least as much as a cable car or a funicular is, but escalators are more like motorized architectural elements. Still ...

When President Trump arrived at the United Nations this week to address the General Assembly, his entrance didn't go as planned. A video widely shared on social media shows Trump and first lady ...