Martin Luther King Jr. Day is on Monday, Jan. 20, 2025. Since it's a federal holiday, some businesses and services may be closed. Here's what to know.

Arizona leaders, including Gov. Katie Hobbs and Adrian Fontes, honored Martin Luther King Jr. with a march in Phoenix on Jan. 20, 2025.

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Today in AZ examines how Arizona residents can honor Martin Luther King Jr.'s life and legacy. Massive and dense structures have been discovered beneath the surface of Mars, leaving experts intrigued.

Adventure seekers can enjoy a fee-free day at an Arizona state park on Monday, Jan. 20, in observance of Martin Luther King Jr. Day.

In 1983, about 20 years after King's "I Have a Dream" speech, legislation for a Martin Luther King Jr. Day on the third Monday of January cleared Congress and President Ronald Reagan signed it

On the next "Arizona Horizon," it's a Martin Luther King Jr. Day special. We'll speak with the ASU professor who received the 2024 Martin Luther King Jr. Faculty Servant-Leadership Award.

During the 39th annual Martin Luther King Jr. celebration city leaders and organizers express messages of hope as President-elect Donald Trump takes office

Suzette Hackney talked with Martin Luther King III about the convergence of Inauguration Day with the day of service that honors his father.

Dr. Martin Luther King, Jr.’s legacy continues to promote and inspire equality nearly 60 years after his death.

The life and legacy of Dr. Martin Luther King Jr. will once again be celebrated and honored Monday in events around the nation.

Family and others carrying on Martin Luther King Jr.'s legacy of equality, justice and nonviolent protest want Americans to remember that Monday's holiday is really about helping others.