2007 Chevy Impala Clunking Noise when turning

I have recently noticed a "clunking" noise when I make a turn. It seems to be more pronounced when I make a right-hand turn. It is getting worse quite quickly. The car is still under the 7 year/100,000 mi drive train warranty. What might the problem be and do you think it is covered under the drive train warranty?

Note: I had the exact same thing happen to a previous GM car (2003 Alero). That car developed the problem at 65,000 miles and it did not have the 7 yr/100,000 mi warranty coverage (it was 3/36,000)