Counties across the United States are discovering that illegal or questionable mortgage paperwork is far more widespread than first thought, tainting the deeds of tens of thousands of homes dating to the late 1990s.

Goldman Sachs' mortgage subsidiary has agreed to stop many of its controversial mortgage-related practices in a settlement with a New York state banking regulator.

Hurricane Irene is likely to roil an already uncertain real estate market in communities from North Carolina to Vermont, where residents have already seen their homes damaged.

The Obama administration is considering unveiling new plans next week to revive the ailing housing market and reduce foreclosures.

Spring buying pushed home prices up for a third straight month in most major U.S. cities in June. But the housing market remains shaky, and further price declines are expected.