The powers of the judicial branch have expanded since the nation's founding

Hear about the secret room where your rights are decided

A court designed to be the least powerful branch became one of the most influential institutions in history. 1440 Explores host Sony Kassam dives inside the Supreme Court of the United States, with help from Yale law professor Akhil Reed Amar, to uncover how it gained extraordinary authority, what really happens behind closed doors, and why its power has become one of the most fiercely contested questions in modern democracy.

The separation of powers is a pivotal component of the US Constitution

Explore how the three branches interact through the Supreme Court case of US v. Alvarez. The Supreme Court first struck down a law, then Congress and the president later revised it—illustrating how judicial review can reshape legislation and executive action.

John Marshall strengthened the Supreme Court and national authority

As chief justice, John Marshall established the principle of judicial review. He reinforced federal supremacy in key cases, defining the Supreme Court as a powerful arbiter between states and the national government under the US federal system.

The man who gave 9 people power over everyone

In the US, nine unelected justices can shape some of the most personal and political parts of our lives. But the Supreme Court wasn't always this powerful. When it was first written into the Constitution, it had no clear authority, no real role, and little public respect.

The Supreme Court has greatly expanded executive power in recent years

In Trump v. United States, the court ruled that a former president enjoys absolute immunity for "official acts" in his constitutional core powers. In Trump v. CASA, Inc., the court limited federal courts' ability to block executive enforcement through nationwide injunctions—decisions that shifted power toward the executive branch.

Take a deep dive into the constitutional foundations of judicial review

In this episode of "This Constitution," the hosts take a law-focused approach to judicial review—examining its roots in Article III and the supremacy clause, its development through Marbury v. Madison, and the ongoing constitutional debates about whether the court's power strengthens or strains American democracy.

The power and influence of the American presidency have expanded significantly over time—far beyond what the founders envisioned.

The power and influence of the American presidency have expanded significantly over time—far beyond what the founders envisioned.

Explore the nearly 1,000 laws, regulations, and provisions the court has held unconstitutional since Marbury v. Madison

Over more than two centuries, the Supreme Court has struck down nearly 1,000 federal, state, and local measures—exercising its authority to invalidate laws that conflict with the Constitution and shaping civil rights, the separation of powers, and the scope of government authority.

The Supreme Court has never definitively settled federal war powers

Despite more than two centuries of conflict over war powers, the Supreme Court has consistently avoided defining the precise boundary between congressional and executive authority, leaving that boundary to be contested by the political branches.

The Judiciary Act of 1789 created the foundation of the federal justice system

Passed by the First Congress, the Judiciary Act of 1789 established the federal court system, the Office of the Attorney General, and the US Marshals Service—the first law concerning national law enforcement and legal administration.

The conflict between Hamilton and Jefferson was primarily over federalism

Alexander Hamilton and Thomas Jefferson clashed over how power should be divided in the new republic—Hamilton favoring a strong national government with broad implied powers, and Jefferson warning that such authority would erode state power and threaten republican liberty.

The rivalry between Alexander Hamilton and Thomas Jefferson centered on federalism—the question of how much power the federal government should hold relative to the states.

Courts referee federalism disputes between Congress and the states

Modern federalism is primarily worked out through litigation. The Supreme Court decides disputes in written opinions that explain when federal law preempts state authority, how far Congress's powers extend, and when states may resist.

Court-packing is the attempt to change the number of Supreme Court justices to shift the balance

Because the Constitution leaves the court's size to Congress, presidents have periodically sought to expand or reshape it. This explainer examines past efforts—including Franklin D. Roosevelt's failed 1937 plan—and why court-packing remains so controversial.

Explore the history and origins of the power of the pardon

The concept of clemency dates back to at least ancient Greece and was later embraced by English monarchs. During the Constitutional Convention, the founders debated whether presidents should have such power—ultimately adopting Alexander Hamilton's expansive view that presidential pardons serve as a check on the justice system.

The Civil War permanently strengthened federal power

The Civil War expanded federal power through emancipation, national military mobilization, and postwar civil rights laws, permanently strengthening the national government and shifting the balance of authority away from the states.

Congress has handled past crises through emergency lawmaking and institutional expansion

In a 2020 podcast from the National Constitution Center, historians and political scientists examine how Congress navigated past national crises—particularly the Civil War—and what those moments reveal about governing today.

The Bill of Rights spent more than a century largely ignored by the courts

When ratified in 1791, the Bill of Rights applied only to the federal government, which exercised little direct control over daily life. It played a limited role in early constitutional law until the 20th century, when legal advocates began using it to challenge state and local laws.

Hear how the 2 religious clauses in the First Amendment have been tested and evolved over time

This podcast examines the evolution of the free exercise and establishment clauses, tracing their development from federal restrictions to state and local laws. Discover the believers who challenged the limits of religious freedom throughout American history.

The necessary and proper clause of the Constitution allows Congress flexibility in governing

The Constitution authorizes Congress to pass laws needed to carry out its enumerated powers, which, over time, have become one of the Constitution's most powerful sources of federal authority.

In recent decades, Supreme Court nominations have grown increasingly contentious and partisan

This video examines the historical shift from bipartisan, civil confirmation hearings to the deeply divisive process seen today. It focuses on the 1987 nomination of Robert Bork, the most recent nominee to be rejected, as an important moment in this transformation.

The US Constitution is widely regarded as the longest-standing written national constitution still in force—see how it has influenced rights worldwide.

The US Constitution has been amended 27 different times since its ratification

Dive deeper into each amendment to the Constitution with resources provided by the National Constitution Center. This website features podcasts, videos, and other web resources for each of the amendments, examining their creation and their impact on today’s political and social landscape.

Trace how the Bill of Rights, inspired by centuries of political theory, took shape between 1774 and 1789.

The Federal Reserve is the most powerful financial institution in the US

The Fed controls the money supply, determines interest rates, and regulates the banking system. Established in 1913 after a volatile series of financial panics, the central bank has managed to retain its legitimacy despite broad critiques against its obscure and independent decision process.

Parliament is the supreme legal authority under the UK's constitutional system

The principle of "parliamentary sovereignty" holds that the UK Parliament can make or repeal any law, and that courts cannot invalidate its legislation. Judicial bodies can reshape governance, but parliamentary laws remain legally supreme.

The Iroquois Confederacy's political structure may have shaped the US Constitution

Centuries before the US existed, six Indigenous nations—the Mohawk, Oneida, Onondaga, Cayuga, Seneca, and Tuscarora—united under a shared constitution known as the Great Law of Peace. Some historians argue that the framework of federalism and representative councils influenced the American founders.

The United States is one of only around two dozen countries with a fully federal system of government, in which power is divided between national and state governments.

An 1873 Supreme Court case about slaughterhouses weakened parts of the 14th Amendment

In 1873, the Supreme Court's Slaughterhouse Cases ruled that the 14th Amendment's "privileges or immunities" clause protected only federal—not state—citizenship rights, greatly limiting the amendment's power to safeguard enslaved people from state discrimination.

The idea for the Federal Reserve was conceived in secret in 1910—with bankers donning duck hunt gear for disguise while traveling to a remote country club on Georgia's Jekyll Island

The original copy of the Declaration of Independence is not a pristine document, and even features a smudged anonymous handprint in the bottom left corner.

Despite being favored by 87% of Americans, Congress does not have term limits.

After the Boston Tea Party, colonists switched to coffee, which became the main morning drink for revolutionaries.

Iran's Revolutionary Guard Corps is independent of Iran's regular army and is one of the most powerful and influential military-political organizations in the Middle East.

Hear about the 250-year history of the United States Postal Service, complete with some of its strangest deliveries, important innovations, and the figures that made it an American institution.

Many legends about George Washington, including his supposed wooden teeth and the story of cutting down the cherry tree, lack evidence.

Roughly 43 million US borrowers owe roughly $1.7T in student debt, the second-largest source of consumer debt behind mortgages.

Exploring the Larry Bird punch that almost changed March Madness

Gerrymandering works through two techniques: cracking opposing voters across districts to dilute their power, and packing them into a few to waste their votes in lopsided majorities.

See 33 images that became central to huge scandals, including a young Charles and Camilla, Michael Jackson's baby on a hotel balcony, and Hugh Grant's mugshot.

The Brothers Grimm were lawyers before they were storytellers, and became interested in fairy tales as they began investigating how rules and customs had been passed down through cultures.

SpongeBob exemplifies Aristotle's philosophy for living well because he understands that happiness doesn't come from external factors like money, recognition, or power.

For centuries, Niagara Falls has been a magnet for daredevils seeking to conquer one of nature's most powerful wonders, with its 200-foot drop and water rushing at 32 feet per second with 280 tons of force.

Chaos theory—informally known as the butterfly effect—is the reason why weather forecasts are presented with probabilities rather than certainties.

Learn how to read a prospectus, the juicy document that any company must file with the SEC before going public.

As of 2025, the most cited papers in science include a review of graphene, methods to improve image recognition, streamlining electron density calculations, and optimizing protein studies.

Ebola infects and disables immune cells, triggering a cascade of events that leads to small blood clots throughout the body, weakening blood vessels and interrupting blood flow to key organs.

'Silent' fireworks have gained more interest in recent years as a quieter celebratory option.

Pure water does not conduct electricity because this flow of energy requires the movement of charged particles, and water is a neutral molecule.