Thousands of state voting changes have been federally blocked since the Voting Rights Act

A 2013 Supreme Court case weakened federal oversight of redistricting

In Shelby County v. Holder, the Supreme Court struck down the Voting Rights Act's preclearance formula, reducing federal oversight of voting laws—including redistricting—and allowing changes to take effect without prior approval.

The Voting Rights Act reshaped federal protection of voting rights

Signed into law in 1965, the Voting Rights Act aimed to end racial discrimination in voting. This resource traces its creation and explains how later court rulings have weakened its enforcement power over time.

The Voting Rights Act expanded the DOJ's power to enforce voting protections

The Voting Rights Act of 1965 expanded the Department of Justice's power to challenge discriminatory election laws, send federal examiners, and supervise voting changes in areas with histories of voter suppression—although some of these powers have been limited by court rulings since then.

Southern states enacted voting restrictions aimed at circumventing Reconstruction

After 1877, former Confederate states passed poll taxes, literacy tests, property requirements, and grandfather clauses to disenfranchise Black voters—restrictions that remained in place for nearly a century until the Voting Rights Act of 1965.

The Supreme Court blocked states from setting term limits for Congress

In US Term Limits v. Thornton (1995), the Supreme Court struck down state laws that tried to impose term limits on their congressional delegations. The court ruled such restrictions unconstitutional unless added through a federal amendment.

In 2025, Democratic-led states moved to counter with their own redistricting plans

In response to Republican mid-decade redistricting efforts, Democratic leaders in California, New York, Illinois, and Maryland signaled plans to revisit their own congressional maps.

The Supreme Court limited federal judges' power to issue nationwide injunctions in 2025

In a 2025 decision arising from litigation over a presidential order on birthright citizenship, the Supreme Court held that individual federal judges may not nationwide block executive policies—curbing the use of sweeping injunctions and reshaping how constitutional challenges proceed through the courts.

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.

Voting rights expanded from 6% of Americans in 1789 to nearly all adult citizens today

In the first US election, only white male property owners—about 6% of the population—could vote. Constitutional amendments culminating in the 26th Amendment gradually expanded voting rights to nearly all citizens aged 18 and older.

Thousands of constitutional amendments have failed

Of nearly 12,000 proposed constitutional amendments, only 27 were ratified. This article highlights radical failed proposals that would have renamed the country, abolished the presidency, capped personal wealth, or fundamentally rewritten how American democracy works.

States are increasingly using preemption laws to override local decisions

Preemption laws enable state legislatures to prevent cities and counties from enacting their own rules on issues like minimum wage, gun control, and housing. Their use has increased significantly in recent years.

Roe v. Wade recognized a constitutional right to abortion until Dobbs v. Jackson Women's Health Organization overturned it

For decades, the Supreme Court shaped abortion access through constitutional rulings, from Roe's recognition of a right to abortion to Dobbs' returning regulatory power to the states. This explainer tracks key cases, impacts, and current justices' views.

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.

Mail-in voting has been used in US elections since the Civil War

Americans have cast mail-in ballots for more than a century, but COVID-19 greatly expanded their use. Modern systems track ballots and often require signature verification, increasing access while maintaining election security.

Immigration enforcement shows how federalism plays out on the ground

In recent years, federalism has shifted from allowing policy diversity across states to open conflict, with states and the federal government increasingly trying to impose their preferences on one another over issues like abortion, voting, immigration, and public health.

Presidents can veto laws—and Congress can override them

A president may veto legislation passed by Congress, but a two-thirds vote in both the House and Senate can override it. For most presidents, only a small share of their vetoes have been successfully overturned.

Watergate-era reforms restricted the power of the presidency

Watergate ushered in sweeping changes. Agencies were required to release information openly, officials had to disclose finances transparently, and new laws limited conflicts of interest. The reforms also established independent oversight of ethics and safeguarded presidential records, curbing abuse and boosting accountability.

Faithless electors have never changed the outcome of a US presidential election

Occasionally, Electoral College members vote against their state's popular choice—known as "faithless electors." Though these rare defections have drawn attention and prompted new state laws, none have ever altered the final result of a presidential race.

Native religious practices were suppressed for centuries before receiving federal protection in 1978

During the first two centuries of American history, the government frequently banned Native ceremonial dances, took sacred sites, and enrolled children in boarding schools where they were prevented from practicing their faith. The American Indian Religious Freedom Act of 1978 committed the federal government to safeguarding Native spiritual practices.

The firms running America's voting systems

Three companies make up over 90% of the US market share around voting systems, and like any company, they're priorities aren't always aligned with the public's. Dive into the industry of voting machines in this investigation piece from the Guardian.

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.

Voter turnout in local elections is significantly lower than for national elections

While 64% of eligible voters cast ballots in the 2024 presidential election, turnout in municipal elections is usually below 15%. For school board elections—where members oversee more than 50 million students and $600B in spending—turnout is often around 5%-10%.

The 10th Amendment affirms that most undelegated powers remain with the states

Adopted to reassure skeptics of an overly powerful federal government, the amendment was meant to curb federal overreach and preserve state control over most everyday governance decisions.

IVF is legal across America, but some worry that state bans could curtail this reproductive technology

This reproductive technology is available across the US, but if states take action to prohibit the discarding of unused embryos or pass related legislation, it could affect access to IVF. Laws prohibiting IVF or effectively outlawing the procedure by defining personhood as being conferred at the moment of conception have been under discussion in several states in recent years, including Ohio, Virginia, and Texas.

A 1954 Supreme Court ruling helped quiz shows avoid regulation

When the Federal Communications Committee attempted to rein in giveaway shows, the Supreme Court ruled that quiz shows were not a form of gambling because contestants did not have to risk anything to participate. Some believe that the ruling prevented proper oversight of the industry as it became more popular.

Government shutdowns, 101

Roughly a quarter of the US federal government's spending must be approved annually through a set of 12 appropriations bills in Congress. When they aren't, a government shutdown ensues, where federal agencies are legally barred from spending any further money on nonessentials. This explainer covers the basics of government shutdowns and their impact on the broader culture.

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

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.

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

The story of Dollree Mapp, whose legal challenge over her 1957 conviction for possessing "obscene material" led to a major strengthening of the Fourth Amendment

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

See this overview of the firework rules across all 50 states, ranging from a complete ban on non-professional fireworks in Massachusetts to states with more lax rules like Indiana.

The United States has had a tumultuous relationship with Cuba since its 1959 revolution, highlighted by a nuclear crisis and a decades-long trade embargo.

44% of Americans say they pray at least once a day—discover how your state's religiosity stacks up against the rest of the country.

The American Society of Civil Engineers' infrastructure report card gave the US a C in 2025, its highest grade since the project launched in 1998.

Before the current East Wing ballroom project, only two White House renovations in the past 100 years cost more than $10M.

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

Indefinite cloning of some endangered species may not sustain their longevity because cloning success rates decrease as genetic mutations accumulate.

Jimmy Carter signed a 1978 bill that legalized home brewing, a move credited with kick-starting the craft beer industry.

View the ten deadliest tornadoes in US history.

Abraham Lincoln was almost assassinated weeks before his inauguration as he traveled from Illinois to DC through Baltimore in 1861; it took two independent claims for Lincoln to be convinced the threat was real

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

The Mona Lisa's celebrity status and repeated restorations have obscured what made the painting so revolutionary for its time

The distributor behind 'Rocky Horror' pulled the film from its scheduled national release, believing it would be a failure, though it eventually amassed a dedicated fanbase through midnight showings, a trend that continues over 50 years later.

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

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.

The use of fungi to detoxify land and water—a process known as mycoremediation—has been used to clean up natural resources affected by the 2025 California wildfires.

When you complete a CAPTCHA on a website to prove you are human, you may be unknowingly training algorithms for self-driving cars, whose systems require training data to help identify crosswalks, bicycles, and other outdoor objects.

Dozens of S&P 500 stocks, including Coca-Cola and Walmart—known as the dividend aristocrats—have increased dividends every year for 25 years