The first Americans arrived between 14,000 and 40,000 years ago

Early Native Americans shifted from nomadic life to permanent settlements around 8500 B.C.E.

Around 8500-7900 B.C.E., many Indigenous groups began settling near rivers and lakes to harvest fish and hunt bison, moving away from a fully nomadic lifestyle. This shift toward semipermanent communities marks one of the earliest signs of organized settlement in North America.

Here's how humans migrated across the world

From our deepest origins in Africa all the way to the Americas, by looking at the fossils and archaeological materials we have been able to trace the path our ancestors took during thee short window of time when we took over the world.

Here's how early humans lived

Explore the evidence of early human behavior—from ancient footprints to stone tools and the earliest symbols and art – along with similarities and differences in the behavior of other primate species.

Ancient humans settled Australia more than 50,000 years ago

Archaeological evidence shows that modern humans reached Southeast Asia about 70,000 years ago and they spread to Australia by at least 50,000 years ago. It marks the oldest evidence of open-sea migration by humans on record.

Europeans' arrival to America brought disease to Indigenous populations

Indigenous people lived in the Americas for centuries before the arrival of the first Europeans in the 15th century. Their arrival was disastrous for Native tribes; in addition to being enslaved and losing their land, they had no natural immunity to the diseases brought by colonists. Eventually, up to 95% of the Native American population was killed by illnesses including typhus, chickenpox, and cholera, an event now known as the Great Dying.

Recent research indicates leprosy was present in the Americas before European settlers

New research published in 2025 upended long-held notions that the disease was introduced to the Americas by European colonizers. Evidence of a lesser-known leprosy-causing bacterium was found in ancient human remains that date back 4,000 years.

Oral history and artifacts suggest the Wampanoag inhabited the area for 12,000 years

By 1621, Native Americans had been interacting with European explorers along the coasts for hundreds of years. European adventurers, including Giovanni da Verrazzano, mapped the coastline as early as 1524, as this timeline from the National Museum of the American Indian explains.

A free archive of firsthand historical documents from explorers of America

Maintained by the Wisconsin Historical Society, the American Journeys collection contains more than 18,000 pages of primary source documents—journals, letters, maps, and accounts written between roughly 1000 CE and the early 1800s. These include eyewitness records of the Norse arrival in North America, Spanish conquistador expeditions, and the Lewis and Clark journey. Browse this list of highlights where pages from the original texts are specified (clicking a link opens a PDF).

See a timeline of colonial settlement in North America

This interactive timeline uses archival maps, illustrations, and documents to trace early American history—from the failed 1590 Roanoke colony and Indigenous accounts of a devastating smallpox epidemic to the political tensions that culminated in the Revolutionary War.

Santa Barbara's Channel Islands revealed the oldest skeletal remains in North America

IN 1959, archaeologists found a human femur jutting out from a rock face on Santa Rosa Island. Using the then-new technology of radiocarbon dating, they measured the age of the remains at 13,000 years—the oldest in the continent.

How old are stone tools?

The earliest evidence for stone tools currently dates back to 3.3 million years ago, long before modern humans started roaming about. These tools were made by stone flaking, a mode of tool creation that still is used today and is done by striking...

American archaeology has a complicated legacy

Many national parks were discovered through American archaeological expeditions and, consequently, included the looting of Native American cultural sites and artifacts.

Maya writing was the first actual script in the Americas

The ancient Maya developed the Americas’ earliest complete writing system, which was preserved on ceramics, stone, textiles, shells, and in surviving texts. Though much was destroyed, the remaining artifacts offer a rare insight into Maya literary culture through a virtual tour

More than 300 distinct Native American languages existed at the time of European contact

Indigenous North America exhibited vast linguistic diversity, with over 300 languages spanning dozens of unrelated language families. This variety reflected centuries of distinct cultural development across the continent's many nations and regions.

European colonists encountered barbecue by the 16th century

They called the food “barbacoa” and spread the technique throughout their territories, including the American colonies. The first recorded mention in English appeared in John Lederer’s travelogue of Virginia and the Carolinas in 1672.

How America's cocaine habit fueled its migrant crisis

The United States has been facing a migration crisis along its southern border. Thousands of people have been fleeing their homes in Central America, traveling north through Mexico, and claiming asylum in the USA. Much of this crisis can be traced...

Native Americans were not granted US citizenship until 1924

The Indian Citizenship Act granted citizenship to all Native Americans born in the US, more than 130 years after the Constitution's ratification. Even then, some states continued to deny Native Americans the right to vote for decades.

The trans-Atlantic slave trade brought over 10 million enslaved people to the Americas

During the Atlantic slave trade (1526-1867), about 12.5 million Africans were forced onto ships; only 10.7 million survived to reach the Americas. Fewer than 400,000 arrived in what became the United States—the rest were taken to the Caribbean or Latin America.

Evidence suggests the first cells on Earth were bacteria

About 4 billion years ago, these single-celled organisms harvested carbon dioxide and sunlight to produce their own food and oxygen, setting the stage for the evolution of oxygen-breathing life forms. Archaeabacteria, which thrive on inorganic molecules in extreme habitats on Earth today, were also among the earliest organisms.

Humans have used geothermal resources for thousands of years

In North America, Indigenous peoples viewed hot springs as sacred places and used them for medicinal purposes, cooking, and surviving cold weather. The ancient Greeks and Romans also viewed them as sacred, partaking in hot mineral baths to relieve ailments and using them for space heating.

Who discovered the North Pole?

In 1909, papers reported two separate expeditions had become the first to reach the North Pole. This podcast explores the fascinating and terrifying attempts to reach the remote marker, and the contentious race to become the first person to plant...

The first recorded American Mardi Gras was in Alabama

French explorers observed celebrations in what would become the United States in the late 1600s, but the first recognized modern American Mardi Gras took place in Mobile, Alabama, on New Year's Eve, running from 1830 into 1831. By 1840, the town had incorporated costumes, masks, and themes into its parade. After the Civil War, Mobile's Mardi Gras was moved to the more traditional date of Fat Tuesday. By 1850, a group from Mobile migrated to New Orleans, bringing the city's traditions with it.

How America became a nation of gamblers

For thousands of years, humans have liked to gamble. What started as dice games and betting on chariot races became a way for states to generate revenue here in America. This article explores how states have been using gambling to pay for infrastructure and capital projects–and the cost it’s had on the citizens.

The American cockroach is actually from Africa, an apparent hitchhiker aboard ships carrying enslaved people, with evidence suggesting the bug may have arrived in the New World as early as the 1600s.

Psychoactive drugs found in 1,000-year-old bag made of fox noses

Archaeologists in Bolivia have uncovered an ancient bag filled with "amazing goodies" that suggests the owner or owners were well-versed in the properties of psychoactive substances and sourced goods from well-established trade routes. This article details the findings, which shed light on how ancient peoples in the region consumed and obtained psychoactive substances.

Many early colonists came to America to escape religious persecution in Europe

Fleeing state-sponsored religious oppression in England and Europe, many early colonists sought freedom of conscience in the New World. Many—especially in New England—established their own religiously exclusive communities: They persecuted dissenters, expelled nonconformists, and enforced orthodoxy.

Graffiti dates back to at least ancient Pompeii, where citizens scrawled messages to one another on public walls

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

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

Scientists can determine Earth's past climate conditions by analyzing air trapped in microscopic bubbles within ice cores—columns of compressed snow layers that build up over hundreds of thousands of years.

At the beginning of the 20th century, a group of young men ate standard American food—replete with food additives like borax and formaldehyde—as part of government research to better understand food safety.

Track the location of the Voyager probes, currently between 13 and 15 billion miles away from Earth.

Meet the 56 signers of the Declaration of Independence—most of whom didn't put pen to paper until August 2, 1776—and see their original signatures.

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.

Before humans, the Soviet Union and the United States sent animals—including apes, dogs, and cats—to space during the Space Race.

The 19th-century painters of the Hudson River School were among the first American romantics, with portraits that displayed the natural beauty of the young country.

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.

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

See how each of the more than two million known species relates to each other—and to common ancestors—in this zoomable tree of life.

For centuries, it was common to sleep in two shifts: a few hours at the beginning of the night, and a longer period beginning around midnight

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The first line of 'immortal' human cells, which can divide indefinitely and are used in scientific research, was nonconsensually taken from a Black woman.

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.

'Shogun,' a 1980s TV series, helped popularize sushi in the US by stimulating an American interest in Japanese culture.

About 2,000 US babies are born annually without some portion of their limbs, potentially leading to a lifetime of pricey prosthetics.

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 word 'jazz' evolved from 'jasm,' 19th-century American slang for 'energy'

The first horror movie is believed to be George Méliès' 1986 short 'The Haunted Castle,' which pioneered the use of special effects

The term 'algorithm' originated from the Latinized name of al-Khwārizmī, a 9th-century mathematician whose works introduced Arabic numerals and the decimal-based numeral system to Europe and whose treatise 'Al-Jabr' gave algebra its name.

Between 10 million and 50 million people in the US develop rashes from poison ivy, poison sumac, and poison oak each year.