jet streams

Over the past week, turbulence caused one death on a business jet and seven hospitalizations on a commercial flight. Here's what to know about how to keep yourself safe and why turbulence happens.

A new study says unusual patterns of the polar jet stream circling the Northern Hemisphere may have led to dramatic weather in Europe and North America.

This powerful storm was created by a cold jet stream colliding with warm air over the Atlantic. It is similar to Superstorm Sandy but is likely to cause less damage.