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Smithsonian & SVF launch rare-breed livestock conservation partnership

The Smithsonian Conservation Biology Institute and the SVF Foundation have launched a new collaboration to strengthen rare and endangered livestock breed conservation through the preservation and study of frozen germplasm (semen and embryos), cell lines and other biomaterials from rare heritage breeds of food and fiber livestock.

Smithsonian celebrates 1st birthday of first Przewalski’s horse born by artificial insemination.

Scientists at the Smithsonian Conservation Biology Institute are celebrating the anniversary of the first birth of a Przewalski’s horse by artificial insemination.

Finding ET by searching for alien air pollution

Humanity is on the threshold of being able to detect signs of alien life on other worlds. By studying exoplanet atmospheres, we can look for gases like oxygen and methane that only coexist if replenished by life.

The bones talk: Smithsonian helps Wisconsin police narrow search in 20-year-old mystery

Investigators from Rock County, Wisconsin, are one step closer to solving the mystery surrounding the death of an unknown teenager thanks to Smithsonian scientists.

Chandra X-ray Observatory Celebrates 15th Anniversary

Fifteen years ago, NASA’s Chandra X-ray Observatory was launched into space aboard the Space Shuttle Columbia.

Transiting exoplanet with longest known year

Astronomers have discovered a transiting exoplanet with the longest known year. Kepler-421b circles its star once every 704 days.

African giant snails: Q&A with Smithsonian mollusk curator Ellen Strong

It is one of the world’s most destructive invasive species, and possibly the slimiest. Thirty-five pounds of live African giant snails (Achatina fulica) were stopped this month by U.S.

Urban landscapes becoming increasingly bird-unfriendly

Tasty and easy to find, the heath hen was a favorite dish of America’s colonial settlers. This beautiful little bird, however, was no match for the appetite of a growing nation.

Sun-like stars reveal their ages

Defining what makes a star “Sun-like” is as difficult as defining what makes a planet “Earth-like.” A solar twin should have a temperature, mass, and spectral type similar to our Sun.

Gemini reveals a gravitational wave source in hiding

Einstein’s Theory of General Relativity predicts that accelerated masses emit gravitational waves, or ripples in space-time.

Human Evolution Rewritten: We owe our existence to our ancestor’s flexible response to climate change

Many traits unique to humans were long thought to have originated in the genus Homo between 2.4 and 1.8 million years ago in Africa.

Panamanian fish catch is vastly under reported, study reveals

The name Panama is said to mean “abundance of fish.” Now a new study estimates that between 1950 and 2010, the amount of fish taken from Panama’s waters was so considerable that officials could not keep tabs on more than a third of the catch.

Mysterious X-ray signal from space

A mysterious X-ray signal has been found in a detailed study of galaxy clusters using NASA’s Chandra X-ray Observatory and ESA’s XMM-Newton.

The Submillimeter Array: Celebrating a decade of discovery

Ten years ago, eight antennas on the summit of Mauna Kea, Hawai’i, united to form a telescope unlike any other.

Presidents and prehistoric swimming: Discover sloths in a new way!

Here at Smithsonian Science we are celebrating Sloth Week with four little-known facts about sloths, some of which we found in the Smithsonian’s very own collections!

Climate change to impact even deep-ocean ecosystems, scientists say

Even tiny crustaceans scuttling across the deepest, darkest depths of the ocean floor will feel the effects of climate change, according to a new study published in the journal Global Ecology and Biogeography.

Asian elephant journey: Calgary to National Zoo

On Monday, June 23, Asian elephants Swarna, Maharani and Kumala finished their 30-day quarantine and made their public debut at the Smithsonian’s National Zoo.

Vine-choked forests can’t capture carbon

Tropical forests are a sometimes underappreciated asset in the battle against climate change. They cover 7 percent of land surface yet hold more than 30 percent of Earth’s terrestrial carbon.

Love tequila? A toast to pollinating bats!

Do you enjoy Tequila? Then you need to raise your glass to the pollinating bats that helped to make it!

Revolutionary drone technology outpacing aviation laws: Q&A with NASM’s Roger Connor

It was a first for the Federal Aviation Administration recently when it granted approval for the commercial operation of an unmanned aerial vehicle over United States’ soil.