The justices will be looking at whether Medicaid patients and providers can sue over slashed Medicaid payments.

The state's decision to freeze enrollment in some Medicaid programs is leaving the nearly 6,000 residents with serious medical conditions with few other places to turn.

Policymakers in Arizona say they aren't cutting coverage. Instead, the state is freezing enrollment for childless adults.

A new study is the first to give an apples-to-apples comparison of how states spend their money on Medicaid.

Obama administration rule would make it more difficult for states to reduce payments to doctors who treat patients in the program for the poor.