An artist's impression of the Milky Way six million years ago, depicts an orange bubble at the galactic center and extending to a radius of about 20,000 light-years. Scientist think that outside of that bubble, a pervasive "fog" of million-degree gas might account for the galaxy's missing matter.

Solving the Mystery of the Milky Way’s Missing Mass

Smithsonian scientists have discovered a huge cloud of super hot gas expanding from the middle of our galaxy

Free timed-entry passes to the new museum, which opens September 24, are available beginning August 27 at 9 a.m., EDT

How to Get Timed-Entry Passes for National Museum of African American History and Culture

It's finally time to plan your trip to NMAAHC

This toy diplodocus fetches up to $600 on eBay.

This Man Claims He Has the World’s Largest Collection of Toy Dinosaurs, and He Loves Them All

Randy Knol's stunning array chronicles our evolving knowledge about the prehistoric beasts

Ostrich Feather Hat, 1910-1912

100 Years Later, the First International Treaty to Protect Birds Has Grown Wings

The U.S. and Canada celebrate the centennial of an agreement recognizing that birds see no borders

A pair of Scinax alcatraz frogs discreetly lay their eggs in a water-filled plant.

When Frogs Pull the Curtain: The Benefits of Mating in Secret

Smithsonian's new curator of frogs explains why some frogs seek privacy when they mate

Named for photographer Barry Brown, meet the newly discovered scorpionfish Scorpaenodes barrybrowni.

On a Deep Dive in a Custom-Built Submarine, a New Species of Scorpionfish Is Discovered

A Smithsonian scientist dives deep to a coral reef and finds much to discover

Still Life With Spirit and Xitle by Jimmie Durham, 2007, goes on view at the Hirshhorn Museum.

Meet the Man Who Dropped a Boulder on a Chrysler

Ex-pat rebel sculptor Jimmie Durham's funny work is celebrated in the capital of the country he left

Tiny nurse ants tending to white ant larvae are dwarfed by the queen ant in the upper right. All the ants feed upon protein-rich food produced by a white-grey fungus that they cultivate underground.

Were Ants the World's First Farmers?

A new study shows that a group of ants have been conducting a subsistence type of farming since shortly after the dinosaurs died out

One of the ingredients of the ancient Roman burger? Ground pistachios.

Taste-Testing the History of the Hamburger

One intrepid reporter cooked three different versions of the burger to uncover just when, exactly, the sandwich was invented

An astrophysicist makes the case that it might be worthwhile to revisit the Outer Space Treaty of 1967 to safeguard the practice of science on the lunar surface.

Can There Be Real Estate on the Moon?

A Harvard-Smithsonian astrophysicist thinks a legal crisis is waiting for us on the surface of the moon.

Ryan Demirjian, Saro Koujakian, and Mher Ajamian of Armenian Public Radio in Los Angeles.

"Armenian Public Radio" Brings Nirvana Attitude to the Folklife Festival

An Armenian-American trio performs traditional folk songs with a modern American sensibility

A 1959 exhibition of the first video game "Tennis For Two," designed physicist William Higinbotham at Brookhaven National Laboratory in 1958.

The Pioneers of Video Game Technology Are About to Become the Stuff of History

The American History Museum's Lemelson Center will record 20 oral histories from early video game innovators

The studio model of the Starship Enterprise from the original Star Trek  TV series underwent extensive restoration.

Catch the Spiffy New Look for the Hall that Houses The Spirit of St. Louis, Bell X-1 and Other Famous Flyers

Just in time for its 40th birthday, the museum revamps its main exhibition hall and Star Trek "Enterprise" debuts

Museum collections can help public health officials identify new diseases, learn their origins, and determine how to best stop them.

Museum Director Calls for Increased Funding for Scientific Collections to Save Lives

Infectious disease researchers should be using museum collections to fight newly discovered pathogens

Written in alternating lines of gold and black in Baghdad in 1307 for the Mongol ruler Uljaytu; the Qur'an was intended for his monumental tomb in Sultaniyya in northwestern Iran. (The monument is still standing today).

In a Historic First, a Large Collection of Islamic Qur'ans Travels to the U.S.

The art of the ancient Qur'an is showcased with the loan of some 48 manuscripts and folios from Istanbul, Turkey, and on view at the Smithsonian

Charlie Morrow and dozens of others will stream video and audio of science, art and shamanism connected to their cultures as the sun passes at 5 p.m. in each of the Earth's 24 time zones.

It's a Global Solstice Party and You're Invited

Sound artist Charlie Morrow organized artists and scientists from around the Earth to celebrate the solstice

The collaboration will result in a new cultural complex to be located on this 4.5 acre triangular site at the Queen Elizabeth Olympic Park, the site of the 2012 Summer Olympics.

Smithsonian to Partner with Victoria and Albert Museum to Open a London Gallery

For the U.S. museum and research complex originally funded by Englishman James Smithson, the announcement brings the 19th-century gift full circle

Banaue rice terraces (N. Luzon, Philippines) taken from observation point at beginning of road to Bontoc

Since the Late Pleistocene Humans Were Already Radically Transforming the Earth

A new study suggests that trying to return habitats to a non human-impacted environment might not be realistic

Front and back of the letter written by Charles Darwin to Ferdinand Vandeveer Hayden on May 2, 1875

A Letter Written by Charles Darwin, Twice Stolen, Returns to the Smithsonian

After being snatched by an intern in the mid 1970s, the missive written by the scientist returns to Washington

A trowel placed in a Native American oyster midden that dates to about 1,000 years ago shows the relative size of the  shells. The average size of modern oysters is significantly smaller.

How Big Were Oysters in the Chesapeake Before Colonization?

A new multidisciplinary study reveals that yes, oysters were larger and more plentiful before European contact

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