You know it's hot in Houston, but did you know that neighborhoods under the same weather conditions can be 20 degrees hotter than a place just down the road? Why is that? What's happening?

The Houston Key Map, which debuted in 1957, was as arresting as it was practical.

The Houston Map Company, as Key Map is known now, wants you to think more about maps – from a table tennis court to a wall in your living room.

Houstonians searching for the best place in the city to catch some quiet shut-eye can thank the Department of Transportation. The government agency's noise map shows areas of Houston with the ...