The Standing Rock Sioux led a nationwide protest movement against an oil pipeline crossing their land

One Native leader tried to save his people's land by building a nation

As the US pushed westward in the 19th century, one leader of the Ojibwe people fought back not with arms but with politics, seeking to preserve his people's territory and way of life by building a formal Native nation capable of negotiating on equal footing with the US government.

The US Army massacred close to 300 Lakota men, women, and children at Wounded Knee in 1890

Fearing the Ghost Dance—a spiritual movement spreading across starving reservations—the Army surrounded a Lakota encampment at Wounded Knee Creek, South Dakota. When a shot was fired during an attempted disarmament, it sparked chaos, and soldiers killed nearly 300 people.

The Red Power movement pushed back against poverty and broken treaty rights in the 1960s and 1970s

Inspired by the Civil Rights Movement, Indigenous activists founded the American Indian Movement, a national advocacy organization, to protest excessive police violence and federal violations of treaty rights, drawing national attention to conditions on reservations.

A tense standoff with the Teton Sioux nearly ended the expedition

In 1804, the Teton Sioux seized a Corps of Discovery boat during a Missouri River meeting, sparking a dangerous standoff. The conflict eased only after careful diplomacy.

Marlon Brando used his 1973 Oscar win to protest the US government's treatment of Native Americans

Brando declined his best actor award at the Academy Awards, sending Chiricahua Apache activist Sacheen Littlefeather in his place to read a statement protesting Hollywood's depiction of Native people and the federal siege underway at Wounded Knee, South Dakota.

The 1969 Santa Barbara oil spill galvanized the modern environmental movement

In January 1969, an oil platform off the coast of Santa Barbara ruptured, releasing roughly 3 million gallons of crude into the Pacific. The spill killed over 10,000 seabirds, dolphins, and seals, coating 35 miles of coastline.

The Office of Water protects the nation's rivers, lakes and drinking supplies

The office develops national standards for safe drinking water, regulates wastewater treatment, and enforces the Clean Water Act. It partners with states and tribes to monitor pollution, protect wetlands, and restore aquatic ecosystems across the United States.

The 2017 Women's March was one of the largest protests in the Mall's history

Held the day after Donald Trump's inauguration, the 2017 Women's March drew an estimated 470,000 to 500,000 people to Washington, DC, and 3 million to 5 million nationwide. It is widely regarded as the largest single-day protest in US history.

Fracking brought short-term wealth and long-term collapse to Rock Springs, Wyoming

In the early 2000s, the fracking boom transformed the quiet mining town into a hub of oil field laborers with plentiful job opportunities. Once the boom faded and industry left, unaffordable housing, unsafe working conditions, and drug epidemics left many residents with no prospects amid a disappearing way of life.

The hidden hallway behind Mount Rushmore and why it’s unfinished

Mount Rushmore was designed to be more than a massive monument to US presidents, and its ambitious plans were part of the reason why. This fascinating video explores its backstory, creation, and the hidden tunnel behind President Lincoln's head.

Political sloganeering is often downstream of memes

In 2018, #JobsNotMobs morphed from an internet meme into a conservative slogan. A video clip of angry protesters mixed with news anchors discouraging the use of the word "mob" posted on October 11, birthed the phrase. By October 19, it was adapted into a Republican party slogan.

The National Park Service responded to the postwar influx of visitors with a massive project

As the American road trip evolved into a popular vacation option, the national parks became overwhelmed by the influx of tourists. The Mission 66 initiative was launched as a way to respond to the interest, improving and expanding the parks' facilities.

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

Since 1965, federal oversight has blocked thousands of state-level voting changes—including redistricting plans—by requiring approval for measures that could affect minority representation, a process scaled back by the Supreme Court in 2013.

Today’s Rockefellers have become climate activists

The Rockefeller Family Fund has been engaged in more than 40 lawsuits against ExxonMobil, a company that John D. Rockefeller’s Standard Oil created.

Earth Day began as a grassroots protest coordinated by a 25-year-old

With experience as a Vietnam activist and inspired by his upbringing in a polluted mill town, Denis Hayes drew 20 million participants to the first Earth Day after being selected to organize it. The momentum of the event—celebrated across about 10,000 schools and universities—pressured Congress to pass environmental legislation.

Trace the rise of oil: from early drilling to today’s global power

This animated map video vividly illustrates how petroleum shaped global politics and industry—from 18th-century uses and 19th-century drilling booms in North America to today’s OPEC strategies, shale revolution, and geopolitical oil influence.

For decades, the US has considered building a permanent nuclear waste repository

All nuclear waste would have been stored at Nevada's Yucca Mountain, but the Obama administration indefinitely stalled the project after intense community backlash. Spent fuel is now stored at more than 80 locations in 36 states, raising safety concerns.

The War Powers Act of 1973 was passed over Nixon's veto to limit the president's ability to wage war unilaterally

Passed in the aftermath of the Vietnam War, the War Powers Resolution requires the president to notify Congress within 48 hours of deploying forces and to end military operations within 60 days without congressional approval. Nixon vetoed the bill, arguing it was unconstitutional, but Congress overrode his veto.

DACA provides temporary protection for undocumented youth brought to America as children

Created by executive order during the Obama administration, the Deferred Action for Childhood Arrivals policy provides temporary deportation protection and work authorization for undocumented individuals brought to the US as children. Explore the history and ongoing political debates surrounding DACA and citizenship pathways.

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.

Hear from those who reported on the ground in Minneapolis amid immigration raids

In this podcast episode, journalists reporting from Minneapolis describe ICE enforcement actions, street protests, and community fallout—offering firsthand accounts of how immigration crackdowns are unfolding in the Midwestern city.

Lorne Michaels claims 'SNL' has never banned a musical guest

After including overt political protests in their performances, rumors swirled that Sinead O'Connor and Rage Against the Machine had been banned from the show. (People said the same about rock band the Replacements, but that was for on-air drunkenness.) Showrunner Lorne Michaels, however, claims no musical guest has ever been banned.

Young Brazilians protested their country's hosting of the 2014 World Cup

In 2013, the Confederations Cup in Brazil was marked with widespread protests in a period dubbed "Generation June." Many were angry about the looming 2014 World Cup, which they believed was an affront to the country's many pressing issues.

Ukraine's pro-Russian President halted an EU deal in 2013, leading to a mass protest movement

In late 2013, President Viktor Yanukovych suspended preparations for a long-negotiated EU association agreement under Russian pressure, signaling a return to Moscow's influence and sparking mass Euromaidan protests across Ukraine.

In 2018, 26-year-old missionary John Allen Chau was killed by tribesmen after attempting to reach and evangelize on India's isolated North Sentinel Island

Whirlpool Rapids formed in a matter of days during the last ice age

Niagara Falls' dramatic whirlpool rapids were created in a matter of weeks when the retreating Falls intersected a buried ice age riverbed—generating North America's largest standing waves.

The Iranian Revolution relied largely on nonviolent tactics

Despite thousands of unarmed protesters killed by the Shah's forces, the revolution relied overwhelmingly on nonviolent tactics, including strikes, demonstrations, and civil disobedience, with up to 9 million Iranians peacefully taking to the streets, making it one of history's largest protest movements by population percentage.

'Grand Canyon of the Yellowstone,' a work by American painter Thomas Moran, inspired Congress to establish Yellowstone National Park.

The Great Salt Lake's distinct dual coloration results from high-salinity organisms that only live in the northern portion and produce a purple protein.

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

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.

The identity of the Tank Man in the iconic photo from the 1989 Tiananmen Square protests remains unknown and was possibly killed.

The Russia-Ukraine conflict is the largest ground war in Europe since World War II in casualties, forces mobilized, and displacement of civilians.

In 1915, workers recovered a submarine-like vessel from the Chicago River, prompting fears of German espionage

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.

See how Budweiser's famous Clydesdales spend their days at Warm Springs Ranch, where roughly 70 to 80 of the beer brand's giant horses can be found at any given 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.

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

In 2025, four executives from large tech companies were given positions in the US Army Reserves—including Palantir Chief Technology Officer Shyam Sankar, which reinforced Palantir's ties with the US military and its role as a leading defense partner.

See a 3D reconstruction of Tenochtitlan, the Aztec capital that was home to an estimated population of 200,000 to 400,000.

Louisiana's 'Cancer Alley' is infamous for having some of the highest industrial pollution, toxic air emissions, and cancer risks in the US.

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

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.

Comedy legend Catherine O'Hara, star of 'Schitt's Creek' and 'Home Alone,' quit 'Saturday Night Live' after just one week to return to her old job.

A researcher recently discovered an interview from 1967 between groundbreaking journalist Joan Didion and the Grateful Dead, years before the band became an institution.

The US first hosted the World Cup in 1994, a tournament that lives in soccer infamy for its poor planning and the murder of Colombian player Andres Escobar, who'd accidentally scored on his own net.

Volcanoes 'die' when their supply of magma runs out, if they are shifted away from their underlying magma reservoir, or if they get clogged by collapsing or their magma cooling back into rock.

See the evolution of Ebola vaccine and treatment development.

An initial public offering or 'IPO' is the process of a private company becoming public by putting shares of the company on the stock market for purchase.