Smithsonian Institution

The opening to the cistern was discovered beneath Jefferson Drive, which runs alongside the Smithsonian Castle and other museums.

Workers Uncover an Underground Chamber Sealed for More Than a Century Near the National Mall

The dry cistern was discovered by construction crews working on the Smithsonian Castle’s renovation

Gambel oak branchlet

This Massive New Guidebook Will Forever Change the Way You Look at Trees

Written by Smithsonian botanist W. John Kress, the book details more than 300 North American tree species in words, maps and photographs—and why we shouldn't take them for granted

From inside of the Hirshhorn, the museum's circular design creates an oculus effect.

How the Hirshhorn Museum Went From Iconoclast to Icon

Celebrating 50 years of the modernist masterpiece that shocked critics—and helped turn Washington into an arts capital

Robert C. Weaver Building houses the Department of Housing and Urban Development.

Washingtonians Love to Hate Brutalist Architecture. But What If We Could Fix It?

An exhibition at the National Building Museum investigates the history and future of the much-maligned architectural style

A scan of a color copy of the original computer printout bearing the Wow! signal, taken several years after the signal's 1977 arrival.

Mysterious 'Wow!' Radio Signal Might Finally Have an Explanation—and No, It's Not Aliens

The infamous signal recorded in 1977 might have been a laser-like beam of radiation from a hydrogen cloud energized by a powerful, magnetic star, preliminary research suggests

A view of the lunar south pole, with Shackleton Crater at the center, assembled from images taken by NASA's Lunar Reconnaissance Orbiter.

Scientists Suggest Freezing Endangered Animals' Cells and Preserving Them on the Moon

Shadowed areas in lunar craters may be cold enough to safeguard species' DNA amid "climate disasters and social disasters" on Earth, according to Smithsonian-led research

The Sodder children, from left to right: 14-year-old Maurice, 12-year-old Martha, 9-year-old Louis, 8-year-old Jennie and 5-year-old Betty

What Happened to the Sodder Children, the Siblings Who Went Up in Smoke in a West Virginia House Fire?

Authorities said the Christmas 1945 blaze was accidental, but the victims' family believed otherwise, theorizing it was an act of arson designed to distract them while their loved ones were kidnapped

Is the Smithsonian Castle haunted? The Institution's founder, James Smithson, is said to be among the otherworldly visitors.

Busting 13 of the Smithsonian’s Most Persistent Myths

From castle hauntings to hiding evidence of giant humans, the Smithsonian has long been the subject of wild rumors and tall tales

A still from Andy Warhol's Empire

Watch Andy Warhol's Eight-Hour Film About the Empire State Building on the Skyscraper's 80th Floor

Released in 1964, the divisive experimental film is being screened in honor of its 60th anniversary

Moore loaned the scrap to the museum for two years.

This History Buff Found a Scrap of George Washington's Tent at Goodwill

The fragment, which was part of Washington's dining marquee during the Revolutionary War, is now on display at a museum in Philadelphia

Astronomers released 25 new images to celebrate the 25th anniversary of the Chandra X-Ray Observatory's launch.

See 25 Stunning Images of the Cosmos From the Chandra X-Ray Observatory as It Celebrates 25 Years in Space

Chandra, the world’s most powerful X-ray telescope, has been peering at black holes, stellar explosions and dark energy for a quarter-century

President Ronald Reagan, pictured waving to a crowd shortly before John Hinckley Jr. tried to assassinate him on March 30, 1981

The History of Presidential Assassination Attempts, From Andrew Jackson to Teddy Roosevelt

Before last weekend's attack on Donald Trump, would-be assassins unsuccessfully targeted Ronald Reagan, Franklin D. Roosevelt, and seven other sitting presidents or candidates for office

Could different backyard birds, such as a robin and a bluebird, produce viable offspring? 

Could a Robin and a Bluebird Have Babies? And More Questions From Our Readers

You’ve got questions. We’ve got experts

Yun Chuan is "serious about his bamboo but mild-mannered toward others," according to the San Diego Zoo.

Two Pandas Arrive at the San Diego Zoo, the First to Enter the U.S. in 21 Years

For months, the only pandas in the country had been in Atlanta. Next, San Francisco and Washington, D.C., are expected to also receive pandas this year

A circa 1846 portrait of Dolley Madison by John Plumbe Jr.

The Smithsonian Acquires the Earliest Known Photograph of an American First Lady

The National Portrait Gallery purchased an 1846 daguerreotype of Dolley Madison for $456,000

A 1914 photo of the Star-Spangled Banner undergoing conservation in the Smithsonian Castle

The Real Story Behind the Star-Spangled Banner, the Flag That Inspired the National Anthem

How the flag that flew proudly over Fort McHenry in September 1814 made its way to the Smithsonian

An illustration of debris and satellites in the geostationary ring around Earth.

ISS Astronauts Forced to Briefly Take Shelter as Russian Satellite Suddenly Breaks Up in Orbit

Officials are unsure why the satellite fractured unexpectedly, splintering into nearly 200 pieces

The frog saunas are easy to make and cost around $50 to put together.

'Frog Saunas' May Be the Key to Saving Amphibians From a Deadly Fungal Infection

Providing frogs with sun-warmed bricks inside mini-greenhouses can help them recover from chytrid and make them more resilient against the disease in the future, a new study finds

An artist's portrayal of Lokiceratops rangiformis, which lived in the swamps of western North America about 78 million years ago.

Dinosaur With Giant, Loki-Like Horns Has the 'Craziest, Coolest' Headgear—and Could Be a New Species

The discovery sheds light on the evolution of a surprisingly diverse group of horned dinosaurs in the western United States

The badges identify the wearer's occupation, such as servant or porter. 

These Badges Shed New Light on the Enslaved Workers Who Built Charleston

The Smithsonian has acquired a collection of 146 slave badges from between 1800 and 1865

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