The ACA is again being put to the test, after a lower court judge ruled the massive health law unconstitutional. The case might yet ricochet back to the Supreme Court ahead of the 2020 election.
Court watchers weren't shocked when Reed O'Connor, a U.S. district judge in Texas, ruled the Affordable Care Act invalid. Critics say he usually sides with Republicans on ideological cases.
In signs the health care market may be maturing, an analysis of insurance filings shows premiums will rise less than 4 percent on average and companies plan to market more policies in more places.
The Trump administration has declined to defend key provisions of the Affordable Care Act in court, saying protections for people with pre-existing conditions should be declared unconstitutional.
Rule changes from the Trump administration offer exemptions for people in areas with only one marketplace plan, as well as for some who oppose abortion and can't find a health plan that excludes it.
As states brace for insurance market instability, some — like Maryland — take aggressive action.
The tax reform law passed in December did repeal the Affordable Care Act's penalties for not having comprehensive health insurance. But the penalties are still in effect until 2019.
Republicans tried last summer to expand the use of these tax-advantaged accounts that are linked to high-deductible health plans. But their expansion proposal didn't make it into the tax bill.
A shorter enrollment period and big cuts in the federal budget for outreach are taking a toll, say those helping with health insurance sign-ups. Deadlines for most state exchanges are a little later.