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Flight attendant Lorraine Bay carefully recorded every flight she worked in this log book, found near the wreckage of Flight 93 in Shanksville, Pennsylvania.

September 11

Thirty-Seven Smithsonian Artifacts That Tell the Story of 9/11, From a Flight 93 Logbook to a Squeegee Handle Used to Escape From the World Trade Center

The National Museum of American History houses hundreds of objects linked to the attacks. Ahead of the 25th anniversary of the tragedy, learn the stories behind some of the most poignant items in the collections

A male Cope's gray treefrog is smaller than a female and attaches to her back as she looks for a spot to lay eggs.

Female Treefrogs Experience ‘Choice Overload’ Amid Too Many Mating Calls From Males

Faced with a chorus of potential mates, female Cope’s gray treefrogs may be overwhelmed by the number of options and struggle to make a careful decision, a study suggests

A view of Pluto from NASA’s New Horizons spacecraft shows the planet’s signature heart-shaped feature.

Once the Solar System’s Ninth Planet, Pluto Was Reclassified 20 Years Ago. Here’s Why Planetary Scientists and the Public Alike Love the Small, Icy Body

Pluto is now the most well known of the outer worlds beyond Neptune—and the darling of the solar system

Keepers hold the twin cubs, which were born on May 29 to parents Sequoia and Mow Mow.

See the Cutest Photos of Three Red Panda Cubs Born at the Smithsonian’s Conservation Biology Institute This Year

The trio of cubs—including a pair of twins—are healthy and being cared for by their mothers. Their births represent a conservation milestone for the endangered species

A blacktip shark, above, looks and behaves like a spinner shark. Scientists are tracking spinner sharks to get a clearer idea of the species' whereabouts.

These Shark Look-Alikes Have Long Confounded Fishers and Scientists on the East Coast. Tracking Where They Migrate Could Help Clear the Confusion

Researchers are tagging and tracking spinner sharks to map out their geographic distribution, because they’ve seen that the range of the very similar blacktip shark has shifted

Scientists studied the sweat bee species Megalopta genalis​​​​​​, native to Central and South America.

In This Bee Species, Why Do Some Daughters Leave Home While Others Stay ‘Bee-hind’ to Help Mom?

Biologists at the Smithsonian Tropical Research Institute investigated a flexible social bee species, which helps shed light on the evolution of more complex organizational structures among other insects

A copy of the first daguerreotype photograph of a total solar eclipse

A Little-Known Photographer Captured the First Clear Image of a Total Solar Eclipse 175 Years Ago. Today, These Celestial Events Still Reveal the Mysteries of the Sun

Ever since that first daguerreotype on a light-sensitive metal plate, eclipse observations have continued to unveil the star’s corona and bring people together to experience the solar system’s majesty

A new study documents two incidents of orcas breaking sunfish into pieces.

Video Captures Orcas Ramming a Sunfish So Hard It Explodes. The Mysterious Behavior Might Be a Form of Play or Juvenile Care

In two incidents documented in Mexico’s Gulf of California, orcas worked together to blast sunfish into smithereens after they had killed the enormous animals

A view of the uncrewed Orion capsule in space during the 2022 Artemis 1 mission, with both the Earth and moon in the background. The Earth looks smaller because it is farther away.

Artemis 1’s Orion Spacecraft Withstood the Heat of Re-entry in a Critical Test for Humans’ Return to the Moon. Now, NASA Will Lend the Historic Capsule to the Smithsonian’s National Air and Space Museum

The exact timeline for the spacecraft’s display hasn’t been announced, but the artifact will fit into an upcoming exhibition on how humans have built a long-term presence in Earth orbit and laid the groundwork for farther space travel

An image of Skylab captured by its final crew as they departed. During launch, one of the solar array wings broke off, and the gold sheet at the center was quickly manufactured afterward to serve as a makeshift sunshield and control the internal temperature.

America’s First Space Station Proved Humans Could Live and Work in Orbit for Months. Now, the Public Can See What It Looked Like in Person for the First Time in Eight Years

A backup version of Skylab was displayed when the Smithsonian’s National Air and Space Museum opened 50 years ago. After renovation of the building, the artifact is once more on view in a new gallery

The Pillars of Creation in the Eagle Nebula is a region where stars are born, seen in Smithsonian Starstruck.

See a Diamond Planet, an Exploding Star and a Black Hole Up Close in a New Immersive Virtual Reality Experience

Informed by science from the Smithsonian Astrophysical Observatory and astronomers worldwide, this “documentary that you can walk through” visualizes the cosmos in a 3D introduction to the universe

Scientists explored a tiny portion of the site during more than 30 dives with a submersible.

Scientists Discover the World’s Largest, Deepest Whale Graveyard, Where Cetacean Remains Have Been Piling Up for Five Million Years

The massive necropolis, located deep in the southeastern Indian Ocean, is teeming with marine life supported by the whale carcasses, including many suspected new species

A sihek, or Guam kingfisher, chick born at the Smithsonian's National Zoo and Conservation Biology Institute

Four Rare Guam Kingfisher Chicks Hatch at Virginia Facility, Making an ‘Incredibly Valuable’ Addition to the Small Population of Extinct-in-the-Wild Birds

The species, also known as the sihek, was wiped out from its native Guam and kept alive in captivity. Conservationists released some birds on Palmyra Atoll in 2024, and they have been thriving so far

A female blue crab with an acoustic telemetry tag on its shell. Scientists at the Smithsonian Environmental Research Center use telemetry tags to track the migration of blue crabs throughout the Chesapeake.

Young Blue Crabs Have Been Mysteriously Dwindling in the Chesapeake Bay for Years. This Winter, They Saw a Boost in Numbers. What’s Driving These Trends?

A recent report detailed a 50 percent drop in juvenile Chesapeake blue crabs since 2010. Then, a survey found a surprising surge in the young crustaceans this year

Human development—such as roads—affects wildlife. But so does the presence of people.

The Mere Presence of Humans—Not Just Our Changes to the Land—Can Alter Wild Animals’ Behaviors, a New Study Suggests

Researchers examined GPS tracking data from thousands of animals representing 37 species and anonymized cellphone location data from 2020, a year of Covid-19 lockdowns, and the previous year

An immunity necklace from the 50th season of “Survivor”

As ‘Survivor’ Finishes Its 50th Season, the Smithsonian Acquires the Sought-After Immunity Necklace and Other Props From the Iconic Reality TV Show

Items from the first and most recent seasons of the hit program will be added to the permanent collection of the National Museum of American History

The exterior of the reconstructed chapel in Historic St. Mary's City, Maryland

Groundbreaking DNA Analysis Identifies 1.3 Million Living Relatives of Colonial Maryland’s Earliest Settlers

Experts compared DNA from 49 skeletons buried in a cemetery in St. Mary’s City to genetic data shared by 11.5 million 23andMe users. They also identified what may be the remains of the colony’s second governor

Interior: Zebra with Two Chairs and Funky Fur, Mickalene Thomas, 2012

These Colorful Contemporary Artworks Join the Hirshhorn Museum’s Collection as the D.C. Landmark Continues to Celebrate Its 50th Anniversary

The museum is also preparing to reopen its redesigned sculpture garden, featuring new works from eight artists, this fall

Andrena regularis, or the regular mining bee, is an important pollinator species.

Scientists Found 5.6 Million Burrowing Bees Beneath a Cemetery in New York. The Group Is One of the Largest on Record

Researchers in Ithaca estimated the number of ground-nesting bees emerging from a local cemetery in spring 2023, revealing just how abundant some understudied pollinators are

Entomologist Mark Moffett photographed cone ants climbing onto and cleaning harvester ants.

These Tiny Ants Crawled All Over Larger Ants and Licked Them Clean. Scientists Aren’t Sure How This Behavior Benefits Any of Them

After witnessing the interactions in an Arizona desert, a Smithsonian researcher suggests that the little ants picked off tasty treats and that the big ants got thoroughly groomed in hard-to-reach places

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