The National Zoo has received a breeding pair of Asian small-clawed otters at Asia Trail for the first time. Mac, a three-year-old male from the Point Defiance Zoo in Tacoma, Wash., and Smidge, a five-year-old female from the Columbus Zoo in Ohio, arrived in April and are now in their exhibit.

The post Keepers are optimistic about Zoo’s new breeding pair of Asian small-clawed otters appeared first on Smithsonian Insider.

The recent field of invasion biology faces a new challenge as 19 eminent ecologists issue a call to "end the bias against non-native species" in the journal Nature.

The post Is ecology biased against non-native species? appeared first on Smithsonian Insider.

In 1987, light from an exploding star in a neighboring galaxy, the Large Magellanic Cloud, reached Earth. Named Supernova 1987A, it was the closest supernova explosion witnessed in almost 400 years, allowing astronomers to study it in unprecedented detail as it evolves.

The post New supernova remnant lights up! appeared first on Smithsonian Insider.

One of the most challenging aspects of this research is simply studying these insects as they are falling, says Yanoviak, a tropical arthropod ecologist at the University of Arkansas, Little Rock. Small body size, rapid descent, and the long distances that they can fall, make accurate data taking a challenge.

The post Lofty experiments with gliding ants reveals secrets of their unusual flight appeared first on Smithsonian Insider.

A new study shows that the desert tortoise, thought to be a single species for the last 150 years, is in fact two separate and distinct species, based on DNA evidence and biological and geographical distinctions.

The post New study reveals desert tortoise is actually two distinct species appeared first on Smithsonian Insider.

To prevent the loss of Inupiaq words for ice and the knowledge that it embodies, Igor Krupnik, ethnologist at the Arctic Studies Center of the National Museum of Natural History, and Wales native Winton Weyapuk Jr., recently compiled an illustrated dictionary of some 120 Kingikmiut words used in Wales to describe different types of ice.

The post Dictionary captures traditional ice knowledge of the Inupiaq people of Wales, Alaska appeared first on Smithsonian Insider.

This image of lawyer Clarence S. Darrow (center) talking with group of men in Dayton, Tenn., in July 1925 is one of 10 photographs from […]

The post Scopes Trial photographs released on Web by Smithsonian Archives appeared first on Smithsonian Insider.

The far-out planet, named 55 Cancri e, is twice as big as Earth and nearly nine times more massive. It is most likely composed of rocky material, similar to Earth, supplemented with light elements such as water and hydrogen gas. Scientists estimate the planet’s surface is much hotter than ours: close to 2,700 degrees Celsius.

The post Stellar eclipse gives glimpse of exoplanet: New data reveals a ‘super-Earth’ next door, astronomically speaking appeared first on Smithsonian Insider.

Ecologists at the Smithsonian Environmental Research Center measure the growth rate of sedge grass in a brackish Chesapeake Bay marsh. Fed a diet rich in […]

The post SERC sedge grass experiment mimics predicted global-change scenario appeared first on Smithsonian Insider.

Alaska’s pristine coastline is ripe for an influx of invasive marine species such as the European green crab and the rough periwinkle (an Atlantic sea snail) warns a new study by a team of scientists from the Smithsonian Environmental Research Center.

The post Alaska’s cold waters no barrier to invasive marine species, scientists say appeared first on Smithsonian Insider.

For the first time in decades, researchers have found a new bird species in the United States. Based on a specimen collected in 1963 on Midway Atoll, Northwestern Hawaiian Islands, biologists have described a new species of seabird, Bryan’s shearwater

The post Bryan’s shearwater, new Hawaiian seabird species, discovered appeared first on Smithsonian Insider.

Astronomers using NASA's Chandra X-ray Observatory discovered the first pair of supermassive black holes in a spiral galaxy similar to the Milky Way. Approximately 160 million light years from Earth, the pair is the nearest known such phenomenon.

The post Newly discovered supermassive black holes are just 160 million light years from Earth appeared first on Smithsonian Insider.

The Zoo’s Smithsonian Conservation Biology Institute in Front Royal, Va., is celebrating the recent hatching of two Micronesian kingfisher (Todiramphus c. cinnamominus) chicks, a female and male, born July 25 and Aug. 20, respectively.

The post Zoo celebrates birth of two Micronesian kingfishers, a species extinct in the wild appeared first on Smithsonian Insider.

Now, for the first time scientists at the Smithsonian’s Museum Conservation Institute have developed a fast and reliable method to date silk.

The post New technique for dating silk developed by Smithsonian conservation team appeared first on Smithsonian Insider.

University of Florida and Smithsonian Tropical Research Institute scientists describe a new 20-foot extinct species of crocodile discovered in the same Colombian coal mine with Titanoboa, the world’s largest snake.

The post New 20-foot extinct species of crocodile discovered in Colombian coal mine appeared first on Smithsonian Insider.

The fossil represents the youngest nodosaur ever discovered, and the only known specimen of a new genus and species of dinosaur that lived approximately 110 million years ago during the Early Cretaceous Era.

The post New dinosaur species named from hatchling fossil donated to National Museum of Natural History appeared first on Smithsonian Insider.

These green crabs have been doing a number on native shellfish. They eat a lot of clams. And they're a very cosmopolitan species—they've now spread all over, to places as far afield as the West Coast of the U.S. and South Africa.

The post Location matters: For invasive aquatic species, it’s better to start upstream appeared first on Smithsonian Insider.

Humanity's most complex ground-based astronomy observatory, the Atacama Large Millimeter/submillimeter Array (ALMA), has officially opened for astronomers at its 16,500-foot high desert plateau in northern Chile.

The post Center for Astrophysics project gets first look through new ALMA telescope appeared first on Smithsonian Insider.

The nature of dark matter is a mystery -- a mystery that a new study has only deepened.

The post Dark matter mystery deepens appeared first on Smithsonian Insider.

Our studies of the genetic relationships between these bees tells us that they originated in the Amazon about 22 million years ago and that they moved north into Central America before 3 million years ago.

The post Two closely related bee species discovered far apart in Panama and northern Colombia appeared first on Smithsonian Insider.

Smithsonian scientists and collaborators have determined the evolutionary family tree for one of the most strikingly diverse and endangered bird families in the world, the Hawaiian honeycreepers.

The post Complete evolutionary tree of the Hawaiian honeycreepers traced by Smithsonian scientists, collaborators appeared first on Smithsonian Insider.

Viewed from inside the SOMATOM Emotion 6CT scanner used at the Smithsonian’s National Museum of Natural History, the skeleton and internal organs of this well-preserved […]

The post Peruvian mummy as seen by a SOMATOM Emotion 6CT scanner appeared first on Smithsonian Insider.

DNA analysis has established that creatures captured during a voyage to the mid-Atlantic are members of the Torquaratoridae; a recently discovered family of acorn worms.

The post Strange deep sea creatures confirmed as three new species appeared first on Smithsonian Insider.

This image shows one of three newly discovered North Atlantic deep sea acorn worms–Purple species–recently captured by scientists from deep in the mid-Atlantic Ocean. These […]

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Molynocoelia erwini, is a new species of fruit fly from Ecuador recently described by USDA entomologist Allen Norrbom, who works in the Systematic Entomology Laboratory […]

The post “Molynocoelia erwini,” a new species of fruit fly from Ecuador appeared first on Smithsonian Insider.

It took the revealing power of NASA's Spitzer Space Telescope to uncover not one, but four remarkably red galaxies.

The post Strange new “species” of ultra-red galaxy discovered appeared first on Smithsonian Insider.

In a laboratory at the Smithsonian Environmental Research Center in Edgewater, Md., scientist João Canning Clode and colleagues tested the cold-water tolerances of a number of invasive green porcelain crabs.

The post Cold spells spell trouble for warm-weather invasives appeared first on Smithsonian Insider.

As a coastal archaeologist and expert in prehistoric and historic settlement sites in the Chesapeake Bay region, Darrin Lowery of the Smithsonian’s National Museum of Natural History and University of Deleware, is carefully watching the effects of coastal erosion and rising sea levels on coastal archaeological sites.

The post Rising seas, development are altering prehistoric artifacts in the Chesapeake’s tidal zone appeared first on Smithsonian Insider.

The image shows one of the most active and turbulent regions of star birth in our galaxy, a region called Cygnus X.

The post New Spitzer Space Telescope image shows space nursery appeared first on Smithsonian Insider.

The discovery of two new extinct camel species by scientists from the University of Florida and the Smithsonian is casting new light on the history of the tropics, a region containing more than half the world's biodiversity and some of its most important ecosystems.

The post Two new species of extinct camels discovered in Panama Canal excavations appeared first on Smithsonian Insider.

A newly described species of toothed whale that lived some 3-4 million years ago during the Pliocene, is causing scientists to reconsider what is known about its living cold-water relatives: narwhals and belugas.

The post New fossil whale species raises mystery regarding why narwhals and belugas live only in cold water appeared first on Smithsonian Insider.

Scientists conducting deep-sea research in the Galapagos have described a new species of catshark. The new shark is approximately a foot long and has a chocolate-brown coloration with pale, irregularly distributed spots on its body. The spotted patterns appear to be unique to each individual.

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Seven years ago, astronomers boggled when they found the first runaway star flying out of our Galaxy at a speed of 1.5 million miles per hour. Theorists wondered: Could the same thing happen to planets? New research shows that the answer is yes.

The post Planet starship: runaway planets zoom at a fraction of light speed appeared first on Smithsonian Insider.

A new X-ray study of the remains of an exploded star indicates that the supernova that disrupted the massive star may have turned it inside out in the process.

The post Remains of exploded star indicate supernova turned it inside out appeared first on Smithsonian Insider.

A new study by astrophysicists at the University of Utah and the Smithsonian Astrophysical Observatory in Cambridge, Mass., has found a new explanation for the growth of supermassive black holes: they repeatedly capture and swallow single stars from pairs of stars that get too close.

The post Steady diet of binary star partners makes black holes grow “supermassive” appeared first on Smithsonian Insider.

For the last 1,000 days the Infrared Array Camera, aboard NASA’s Spitzer Space Telescope, has been operating continuously to probe the universe from its most distant regions to our local solar neighborhood.

The post Top 10 gallery celebrates the Infrared Array Camera aboard the Spitzer Space Telescope appeared first on Smithsonian Insider.

Two very different models explain the possible origin of Type Ia supernovae, and different studies support each model. New evidence shows that both models are correct - some of these supernovae are created one way and some the other.

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On the Origin of Species by Charles Darwin, 1859 This week’s Smithsonian Snapshot marks the May 11, 1820, anniversary of the launch of HMS Beagle, the […]

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The only explanation for such symmetry across these vast distances, explains Smithsonian anthropologist Dennis Stanford, is that the method of creating the points was handed down from person to person.

The post 3-D imaging adds remarkable new understanding of North America’s mysterious Clovis people appeared first on Smithsonian Insider.

Researchers led by David Nesvorny of Southwest Research Institute and David Kipping of the Harvard-Smithsonian Center for Astrophysics has inferred an unseen planet, this time orbiting a distant star, marking the first success of this technique outside the solar system.

The post Unseen planet’s gravity allows Kepler Telescope to “see” it appeared first on Smithsonian Insider.

The specimen’s skull measures 24 centimeters, roughly the size of a regulation NFL football. The shell which was recovered nearby – and is believed to belong to the same species – measures 172 centimeters, or about 5 feet 7 inches, long.

The post Giant prehistoric turtle from Colombia chomped everything in sight–including crocodiles! appeared first on Smithsonian Insider.

New research by a team of astronomers found that planets smaller than Neptune are located around a wide variety of stars, including those with fewer heavy elements than the Sun.

The post Alien Earths may have formed in Universe earlier than expected appeared first on Smithsonian Insider.

Smithsonian herpetologist George Zug answers a few questions about skinks....

The post Speaking of skinks: short limbed, long tailed & prehistoric appeared first on Smithsonian Insider.

The most peculiar feature of this new turtle is its extremely circular shell, about the size and shape of a big car tire.

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Astronomers using NASA's Chandra X-ray Observatory have detected X-rays emitted by the debris from the explosion of supernova 1957D.

The post Astronomers discover X-rays from a young supernova remnant appeared first on Smithsonian Insider.

JoVonn Hill, a research associate with the Mississippi Agricultural and Forestry Experiment Station at Mississippi State University, recently borrowed 32,000 grasshoppers from the Smithsonian’s National […]

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A rising spike in West Nile virus is taking health officials across the country by surprise as this year more than 2,600 people in 45 states and the District of Columbia, have been stricken with severe symptoms of this mosquito-transmitted disease.

The post As robins disperse, West Nile mosquitoes switch diet to humans: Q&A with Smithsonian ornithologist Peter Marra appeared first on Smithsonian Insider.

This copepod Aleutha potter,officially named and described in 2007, is found in Potter Cove, King George Island, Antarctica. Copepod (Kope = Greek for “oar” Podos = […]

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A specimen recently pulled from deep in the southwest Atlantic may represent a new species of squid, say scientist who have studied the animal’s unusual morphology. But then again, it may not…

The post As they grow some squid change dramatically, making scientists cautious about naming new species appeared first on Smithsonian Insider.

Scientists at the University of Arizona and in California have completed the most challenging large astronomical mirror ever made.

The post First of seven mirrors completed for Giant Magellan Telescope appeared first on Smithsonian Insider.