The first women to run the Colorado River discovered four plant species

The expedition documented 240 plant species, 178 new to western science

Lewis and Clark’s botanical records introduced species to Americans like bitterroot, ponderosa pine, and Oregon grape—plants unknown to western science at the time. See a selection of these species in this image gallery.

Santa Barbara’s Botanic Garden was the first to showcase the state’s native plants

Founded in 1926, the garden’s founders sought to showcase the state’s local flora as a matter of conservation, rather than the water-hungry exotics regularly being imported. This story focuses on how the garden’s design took a more natural and less formal direction.

Before the Panama Canal, there was the Panama railroad

The first ship to cross the isthmus of Panama went not by sea but by land: The paddlewheel steamship Explorer was taken apart and transported by rail, an effort that generated “more trouble than profit,” according to one account.

The Indigenous people of the central Californian coast made many advancements

The Indigenous people of the central Californian coast made advancements in basketry, small stone tools, the use of shell beads as currency, and plank canoes for seafaring. In the years before European contact, their numbers reach 25,000 across 150 settlements.

Eliza Scidmore advocated for planting cherry trees in Washington, DC, in the early 1900s

The first female writer for National Geographic, Scidmore championed planting Japanese cherry trees around the Tidal Basin in Washington, DC. Her idea succeeded in 1912, after years of lobbying, creating one of the National Mall's most enduring traditions and tourist draws.

Citizen scientist volunteers can help identify invasive species in wilderness areas

Launched in 2005 by the Center for Invasive Species and Ecosystem Health at the University of Georgia, EDDMapS allows users can document invasive species sightings in the US and Canada in a web-based mapping system. As of February 2026, EDDMapS has over 8.6 million records, all freely available for querying.

John Steinbeck's 'Sea of Cortez,' a travelogue through the Gulf of California, is still used by ecologists today.

Who was Gudrid the Far-Traveled?

Considered one of the greatest female explorers of all time, Gudrid the Far-Traveled counted among her in-laws Erik the Red and Leif Erikson. Traveling from Medieval Europe to North America via Iceland and Greenland, Gudrid became the first European woman known to have given birth in North America. This article details the pioneering achievements of medieval Europe's greatest female explorer.

Read a firsthand account of a participant in the first Biosphere 2 mission

The first crew of “Biospherians” spent four months growing their own wheat and awaiting the ripening of tomatoes, onions, and peppers to make their own pizza. They also raised their own livestock, including chickens, pigs, and two goats named Milky Way and Stardust.

Yellowstone was the world's first national park

Before it was designated as such, it was home to 27 Indigenous tribes, including the Blackfeet, Crow, and Nez Perce. European trappers and traders traveling west were entranced by the area’s stunning beauty and natural resources, fueling a push for the government to preserve the land for future generations.

Flowers have been around for 123 million years

Fossilized pollen grains reveal that flowering plants have existed on Earth for 123 million years, and their emergence considerably enriched the planet's biological diversity. They may also have been more widespread than initially thought—prior assumptions were that the eudicots, the first flowering plants, appeared 121 million years ago.

Hikers can walk through Maya routes on Mexico’s first long-distance trail

The Camino del Mayab is a 68-mile trail west of Cancún that follows ancient Maya paths and modern railways. Built in collaboration with local Maya communities, it promotes Indigenous culture, preserves heritage, and supports community-based tourism along the route.

Colombia’s biodiversity performs the national anthem

Scientists and composers in Colombia trekked more than 600 miles collecting audio from the country's vast assortment of creatures. Using parabolic microphones, recorders, cameras and field gear, they recorded the sounds of birds, whales, landscapes, and more to eventually recreate their Colombia’s national anthem using its biodiversity as an orchestra. Follow the fascinating journey and listen to the “natural anthem” in the article.

In Amsterdam, planting organic flowers has increased native bee diversity by 45%

The citywide effort is an example of rethinking conventional agricultural methods, which rely on monocropping and heavy chemical use. Cover crops—plants grown to suppress weeds, prevent erosion, and attract pollinators rather than to be harvested—have also shown environmental benefits, despite not being sold for profit.

Women were prohibited from the Boston Marathon, so Bobbi Gibb snuck in

Race directors assumed women could not handle the physical demands of the race. In 1966, Bobbi Gibb hid in the bushes near the starting line, then hopped in the race after it began, and became the first woman to finish the Boston Marathon, albeit unofficially.

Scientists discover what looks like an underwater road

Crew aboard the Exploration Vessel Nautilus discvered a “yellow brick road” that looks it leads to Atlantis. Climage change may affect future ocean studies.

Sacagawea reunited with her brother during the trip and secured horses for the Corps

Sacagawea, who was captured by another tribe at age 12, discovered during the journey that the Shoshone chief was her brother, Cameahwait. Their reunion led to the Corps obtaining vital horses and guides for the treacherous mountain crossing ahead.

Explore a timeline of every mission to Mars through 2020

The US has conducted the most missions (23) and has the highest success rate (74%), followed by Russia (18 missions at 5%). The first successful orbiter was Mariner 4, while Viking 1 was the first successful lander.

How a cut flower goes from a Colombian farm to a US vase in under 72 hours

The flower industry operates a complex logistical relay to move flowers to distant markets. Blooms are harvested before opening, chilled immediately, auctioned, and air-freighted to retailers before they are fully in bloom.

Rome's herbal panacea may not be as extinct as we thought

Silphion: cure-all, aphrodisiac, birth control, tasty seasoning. Nero allegedly ate the last of this miracle plant. This article details how a researcher may have found more. Seven centuries after the yellow-flowered plant was first documented growing in what's now Libya, it vanished. Historians proposed that the loss of Silphion may have been the first recorded extinction of any species.

The Erie Canal was opened Oct. 25, 1825, with a group of boats from Buffalo to NYC

The unlikely engineering project connecting the Midwest to the Atlantic saw a ceremonious opening as Governor Dewitt Clinton rode with a flotilla of boats from Buffalo on Lake Erie to New York City.

Zora Neale Hurston used her anthropological training to interview a man who had survived the slave trade

The writer's interviews with Cudjo Lewis documented the man's enslavement and travel from Africa to the United States. It also captured the story behind Africatown, a community in Alabama that emerged after the Emancipation Proclamation. Hurston's book was not published during her lifetime, though it was finally released in 2018 as "Barracoon: The Story of the Last 'Black Cargo.'"

Restoring desert ecosystems: Successes, failures, and ongoing efforts

This article discusses ecological restoration in desert environments, focusing on the various techniques and challenges related to restoring desert ecosystems. In the complex endeavor of desert restoration, experts attempt to pinpoint the most...

Stanford built a Google Maps for the Roman Empire, revealing how much it cost to travel in the ancient world

That time two journalists raced around the world in 80 days

In 1889, Journalist Nellie Bly, née Elizabeth Jane Cochran, set sail on a journey around the world to compete with Phileas Fogg, the protagonist of the 1872 fiction novel "Around the World in Eighty Days." This short video explains how competing...

The story of Opal Lee, 'grandmother' of Juneteenth

Opal Lee, an activist from Texas, is considered one of the major reasons Juneteenth is now an official federal US holiday. In 2016, Lee walked from Fort Worth, Texas, all the way to Washington, DC, to garner support for the cause of making the day an official national holiday. Read about her experience and victory in this brief overview of her role in the creation of the holiday.

During the French Revolution, a botanist's letter asking about "dear Rhus" (poison ivy) was intercepted, leading authorities to suspect he was conspiring with the Russians.

Georgia O'Keeffe's flower paintings are often assumed to be sexual, though the artist claimed she was simply interested in highlighting the beauty of flowers that most people neglect

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

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.

This real-time tracking of the hantavirus cruise ship outbreak in May 2026 offers a unique glimpse into the global reach of the outbreak and whether the virus sickened passengers and their communities around the world.

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

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.

Fish populations in the Great Barrier Reef have increased after installing waterproof speakers on the ocean floor that played recordings of sounds from healthy coral reefs.

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

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.

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

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.

Walt Disney's early film 'Alice's Wonderland' was a groundbreaking innovation in the silent film era

English mathematician Ada Lovelace wrote the first computer algorithm a century before computers existed and hypothesized that computing devices would one day be able to compose music—foreseeing the generative AI systems of today.

Explore an interactive map built from more than 100,000 survey responses on where people find joy in their lives

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

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 El Niño moves warm Pacific Ocean waters east along the equator, La Niña moves them west, shifting where rainfall will become more common for months.

Sunflowers have long been a symbol of nuclear disarmament because they can extract large amounts of radioactive cesium from soil.

In 2009, the nation was gripped by the story of a missing young boy who was believed to be floating over Colorado in a homemade balloon, until it was revealed that he was at home the whole time.

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.

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

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.

Up to a million Girl Scouts sell about 200 million cookie boxes every spring, generating $800 million, largely because refusing a child is frowned upon