Midair collisions throughout aviation history have brought some of the worst tragedies in the sky. But they've also left important lessons.

A devastating plane crash this week has drawn Wichita, known as the "air capital of the world" and its aviation roots, into the national spotlight.

In addition to many of the world’s ... The Oct. 2, 1970, crash on Mount Trelease about 40 miles west of Denver – one of the worst tragedies in college sports history – killed 31 people ...