More than two weeks after a helicopter and airplane collision over Washington killed 67 people, investigators have completed ...

Coverage of the recent mid-air collision brought up painful memories for John and Marilyn Kausner, whose daughter Elly was among those killed in the last major U.S. air disaster.

Researchers calculated both the odds of falling rocket debris disrupting air travel, but also colliding with an aircraft mid-flight.

A regional jet carrying 64 people collided with an Army Black Hawk helicopter carrying three soldiers. Here's what we know about the incident so far.

The fiery disintegration of Columbia ultimately led to the loss of lives and the retirement of NASA's shuttle fleet. But as it turns out, there's more to the story that makes it so much worse because ...