President Joe Biden was joined by Sen. Bernie Sanders at the White House Wednesday to highlight the administration's efforts to lower health care costs for Americans.

More than 15 million Americans, a record number, have signed up for the Affordable Care Act, also known as Obamacare, so far this year, according to the HHS.

These are the people who say the new Medicare drug price negotiations will save them thousands of dollars every year.

The Bronx rapper wants price transparency in hospitals.

ABC News' "Start Here" podcast spoke with ABC News' Senior Washington Reporter Devin Dwyer about a Texas federal judge's decision to rule against an Obamacare provision.

“As a result, 200,000 uninsured people are expected to gain coverage."

The Supreme Court on Thursday, in a long-anticipated decision, upheld the Affordable Care Act in a case challenging the individual mandate in Obamacare.

President Joe Biden and Democratic lawmakers praised the Supreme Court decision Thursday to uphold the Affordable Care Act in a case challenging its individual mandate.

Chief Justice John Roberts and Justice Brett Kavanaugh signaled Tuesday that they’re inclined to uphold the majority of the Affordable Care Act.

President Donald Trump and 18 Republican-led states on Tuesday will ask the U.S. Supreme Court to eliminate the Affordable Care Act.

Missourians mobilized by the thousands to get Medicaid expansion on the ballot this year, a move that will impact 230,000 low-income residents in the "coverage gap."

The court ruled 7-2 in a case involving the Little Sisters of the Poor.

Will insurance still cover birth control?

The Trump administration is asking the Supreme Court to completely strike down Obamacare.

The White House promises cash payments to cover the cost of unpaid medical bills by designating $100 billion to reimburse hospitals to treat uninsured.

The Supreme Court announced it will decide the fate of the Affordable Care Act in its next term, just after the 2020 election.

The vast majority of single-payer health care plans in a new study would save the country money on health care costs.

A divided federal appeals court on Wednesday threw a lifeline to the ACA, asking a lower court judge to reconsider his decision invalidating the entire law.

The latest case has largely flown under consumers’ radar.

The Trump administration announced a policy that would require hospitals to disclose negotiated rates with insurance companies.

A more generous plan with a deductible can be an attractive recruitment tool.

Among the new measures are those that authorize importing prescription drugs.

A federal appeals court on Tuesday will consider the fate of the Affordable Care Act, setting the stage for a major decision that could affect health care of millions.

As part of "This Week's" Critical Care series, ABC's Steve Osunsami traveled to Tennessee to report on the impact hospital closures have had on rural communities.

The administration wants to ease certain regulations affecting this group.

ABC News Correspondent David Wright examined Medicare for all in the first installment of "Critical Care" on "This Week" Sunday.

Senate Republicans "anxious" to hear about President Trump's new health care plan.

The Gaffers thought they were paying their health insurance. They were wrong.

Attorney General Bill Barr on Tuesday seemed to express skepticism that the Trump administration's latest position can withstand legal scrutiny in the Supreme Court.

While President Trump promises his administration is putting together a "great health care plan," two senior White House officials say no legislation is being crafted.

The cost of healthcare is leading people to either borrow large amounts of money to pay for treatments or regularly skipping treatments or forgoing prescriptions.

Mick Mulvaney claims he can guarantee every person who has health coverage because of "Obamacare" will not lose their coverage if the ACA is struck down in court.

Congressional Democrats are blasting the administration on its health care stance, while some Republicans are even expressing reservations about the shift in policy.

The U.S. Department of Justice now says it supports a federal judge's ruling that the entire Affordable Care Act should be overturned.

In states including Texas, Arizona and Louisiana, a series of events have been held to harness energy on the ground and to showcase enthusiasm.

Kaiser Health News looks back on high drama moments over health care.

The administration's plan could cause far-reaching change.

The Utah politician is leaving the Senate after 42 years.

The Affordable Care Act is interwoven into the fabric of the American health care system.

This does not bode well for the GOP if health care is a major issue in 2020.