Thousands of birds are expected to take to the skies in coming nights, triggering a migration alert in the Chicago area.

We have a bit of a "whooshing" effect happening today, despite highs in the 70s across the Chicago area. Three suspects were arrested and charged in connection with the shooting of two people on ...

The luxury jumbo jet is to be used as Air Force One, sources told ABC News. ABC News obtained video of the Democratic mayor of Newark, New Jersey, being arrested on Friday while joining members of ...

Each grid is essentially a two-dimensional array of values (grid cells) which maps on to an area (such as part of or all of Australia). The values (data) associated with each grid-cell represent a ...

How were the maps created? The UV Index is calculated by a computer model which takes into account ozone concentrations, altitude, latitude, day and time of year, solar irradiance (incoming energy ...