NASATV's This Week at NASA, Week Ending August 28 2006

STS 115 Space Shuttle Atlantis gets ready for launch to the International Space Station. Name of next human space exploration spacecraft is announced, Orion. Chandra x-ray space telescope finds direct evidence of existence of dark matter. Testing to find ways to improve astronaut health is long duration space missions continues. AMES research center hosted conference on next generation human space exploration. NASA shuttle mission crew from STS-121 are guests of honor at Houston Astros baseball game.