On Wednesday, the Wall Street Journal reported that UnitedHealth was the subject of a criminal probe at the Justice ...

Former UnitedHealth Group chief executive officer Stephen Hemsley to replace Andrew Witty. Here's what we know.

UnitedHealth Group is being investigated by the Department of Justice for possible Medicare fraud, according to a report from ...

The health care giant's shares are down more than 50% in the last month. That's hurting the powerful U.S. stock-market index.