We live our lives day to day as if our time is going to be infinite. At times we feel like we are never going to run out of time, yet how do we know when our time is really up? That's just it. We don't.

10,000 B.C.: Indians inhabit Arizona.

10,000 B.C.: Indians inhabit Arizona.

10,000 B.C.: Indians inhabit Arizona.

Read all our coverage about the disappearance of East Valley infant Gabriel Johnson, and find out who to contact if you have information for the authorities.

Follow all developments in Mesa's struggle to keep the Chicago Cubs in the Cactus League for spring training.

View an interactive timeline of the ongoing showdown between Maricopa County's top elected law-enforcement officials, the county's Board of Supervisors and the judges that preside over the county's courts.

WASHINGTON - Democratic congressional leaders on Tuesday sent Iraq legislation setting timetables for U.S. troop withdrawals to President Bush and a certain veto.

BAGHDAD, Iraq - U.S. officials said Tuesday Iraqi leaders have agreed to develop a timeline by the end of the year for progress in stabilizing Iraq, and Iraqi forces should be able to take full control of security in the country in the next 12 to 18 months with "some level" of American support.

LONDON - Police radically revised the timing of the deadly blasts that tore through the London Underground, saying Saturday that the bombs were detonated just seconds apart - not 26 minutes as first reported.

Key dates in ASU's attempts to develop lakefront property

The Jodi Arias murder trial has drawn international attention for its graphic tales of sex and lies. The following is a timeline of some of the key events in the case:

Q: I’m trying to get a decent image uploaded to my Facebook Timeline, but it’s so wide that nothing is fitting the way I want it to. Any suggestions? — Carey

How can Facebook’s new Timeline mess up an existing job search?

Mesa has put together a preliminary timeline for the construction of a new spring-training facility for the Chicago Cubs.

A decision to place sod at the planned Camelback Park will delay construction further and will require more money.

GAZA CITY, Gaza Strip - From the Gaza neighborhoods where Hamas radicals now collect money for utilities and mete out justice, President Bush's goal of forging an Israeli-Palestinian peace deal within five months is looking increasingly unattainable.

WASHINGTON - Senate Democrats ignored a veto threat and pushed through a bill Thursday requiring President Bush to start withdrawing troops from "the civil war in Iraq," dealing a rare, sharp rebuke to a wartime commander in chief.

NEW ORLEANS - The mayor of New Orleans has set up an "extremely problematic" timeline for allowing residents to return to the evacuated city, which is still threatened by a weakened levee system, a lack of drinkable water and heavily polluted floodwaters, the head of the federal relief effort said Saturday.

Former Chandler police officer Daniel Lovelace was acquitted Friday in Maricopa County Superior Court in Mesa on second-degree murder and endangerment charges in connection with the shooting death of Dawn Rae Nelson.