Dragon preparing to berth – image credit: SpaceX

UPDATE: Please see updated info here

Here is the timeline and NASA coverage information.

Monday, May 7 (L-0 day): NASA TV live coverage begins at 8 a.m. and concludes at approximately 10:30 a.m.
Spacecraft: SpaceX Dragon
Launch Vehicle: SpaceX Falcon 9
Target Launch Date: May 7, 2012
Target Launch Time: 9:38 a.m. EDT
Launch Site: Cape Canaveral Air Force Station, Fla.

Tuesday, May 8 (Flight Day 2): An update on the Dragon’s flight during the daily “ISS Update” program from NASA’s Johnson Space Center airs at 11 a.m.

Wednesday, May 9 (Flight Day 3): Live coverage from NASA’s Johnson Space Center mission control in Houston as the Dragon spacecraft performs its fly-under of ISS to test its systems begins at 2:30 a.m. and will continue until the Dragon passes out of the vicinity of the station.

A news briefing will be held following the activities.

Thursday, May 10 (Flight Day 4): Live coverage of the rendezvous and berthing of the Dragon spacecraft to the station begins at 2 a.m. and will continue through the capture and berthing of the Dragon to the station’s Harmony node. A news briefing will be held once Dragon is secured to the ISS.

Friday, May 11: Live coverage of the hatch opening and entry of the Dragon spacecraft includes a ceremony during which the ISS crew will mark the occasion.

Thursday, May 24: A news briefing at Johnson will preview the following day’s unberthing and splashdown of the Dragon spacecraft.

Friday, May 25: Live coverage of the unberthing, re-entry and splashdown of the Dragon spacecraft in the Pacific Ocean. Specific times of coverage will be provided at a later date.

More important information:

NASA TV Coverage

Mission Objectives (PDF)

Mission  Overview (PDF)