Peter Turchin argues that societies collapse when there isn't enough room at the top. "There is a limited amount of space, but many more elites now ... low-rank elites.

American has the youngest fleet among US major airlines, making its capital-expenditure obligations smaller than some competitors in the medium term. American is the most leveraged US-based major ...

The Score: WK Kellogg, Nvidia, Delta Air Lines and More Stocks That Defined the Week Here are some of the major companies whose stocks moved on the week’s news.

Delta is using AI to "personalize" the price you pay for airfare. Here's what that could mean for your next trip.

American Airlines' financial health is precarious with high leverage, negative working capital, and slim free cash flow, ...