UnitedHealth Group Inc. plummeted as much as 18% following a report that the insurer was under criminal investigation for possible Medicare fraud, adding to an already tumultuous week.

The outbreak linked to romaine lettuce killed one person and sickened at least 88 more, including a 9-year-old boy who nearly died of kidney failure.

France’s research minister said the scientist was traveling to Houston for a conference when his phone was searched

"Launching chaotic trade wars with our allies and gutting Social Security, Medicaid, and other vital programs in order to fund tax breaks for his billionaire donors isn't making life more affordable f...

A Georgetown University researcher who hasn't been charged with a crime and has no criminal record was seized by federal agents this week, in what his lawyer described as "just another example of our government abducting people."Masked agents arrested Badar Khan Suri outside his home in Rosslyn, Vir...