Google continues to hold a dominant lead in the Internet search business, with two reports out this week highlighting the Mountain View, California company’s strong position. According to comScore, which released its search share ranking report on Tuesday, Google accounted for 65.3 percent of searches in the U.S. during the month of September.

That compares to Yahoo sites, which registered 15.5 percent, and Microsoft sites, which registered 14.7 percent.

Meanwhile, Experian Hitwise — which released its own report today — put Google’s search share slightly higher at 66.1 percent. It showed Yahoo at 15.2 percent and Microsoft’s Bing at 12.8 percent, both of which saw single digit declines on a month-to-month basis.

The numbers come amid rising speculation that Yahoo may be on the auction block again.

Here’s a look at the chart from comScore.

Previously on GeekWire: Microsoft Research overhauls Bing search backend with ‘Tiger’ project

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