Marilyn Tavenner, a key Obama administration health official overseeing the country's largest health insurance programs, announced Friday that she's resigning from her position as administrator of the Centers for Medicare and Medicaid Services next month.

At first glance, Colorado would seem to be one of the federal health law's clearest success stories, offering nearly 200 plans and average premiums nearly unchanged in the coming year.

Obamacare is about to collide with the U.S. tax-filing season, adding frustration for millions of taxpayers trying to figure out how to comply and how much they will owe the government.

When Dennie Wright went to sign up for Affordable Care Act insurance last year, it wasn't a hard decision.

The majority of people who signed up for Medicare Advantage plans in recent years were switching out of the traditional Medicare program, according to a recent study.

ELI LILLY charges more than $13,000 a month for Cyramza, the newest drug to treat stomach cancer.