New observations by NASA's Wide-field Infrared Survey Explorer, or WISE, show there are significantly fewer near-Earth asteroids in the mid-size range than previously thought.

The post Infrared survey reveals fewer near-Earth asteroids than previously thought appeared first on Smithsonian Insider.

A new study by a team of scientists from the Smithsonian’s National Museum of Natural History, the National University of Singapore and the Slovenian Academy of Sciences and Arts have unlocked the secret to mate binding in orb web spiders, and revealed just how it calms the cannibalistic female spider.

The post Suitor’s gentle massage soothes aggressive, cannibalistic female spiders, researchers find appeared first on Smithsonian Insider.

For the first time, astronomers have detected around a burgeoning solar system a sprawling cloud of water vapor that’s cold enough to form comets, which could eventually deliver oceans to dry planets.

The post Frigid water cloud may be source of water delivered to dry planets by comets appeared first on Smithsonian Insider.

In a new study researchers from the Smithsonian Conservation Biology Institute’s Center for Conservation and Evolutionary Genetics used DNA from coyote scat (feces) to trace the route that led some of the animals to colonize in Northern Virginia.

The post New genetic evidence confirms coyote migration route to Virginia and hybridization with wolves appeared first on Smithsonian Insider.

In honor of Halloween, Michael Miller, keeper in the National Zoological Park's Invertebrate Exhibit, shares a few of his favorite "strange-but-true" spider facts.

The post 8 strange but true spider facts appeared first on Smithsonian Insider.

For three years—2001, 2002 and 2008—on Teopa Beach in Jalisco, Mexico, researchers examined the shell, neck and flippers of female turtles that had come out onto the beach to nest, collecting and carefully documenting all the organisms—known as epibionts—they found.

The post Sea turtle “hitchhikers” ID’d in survey appeared first on Smithsonian Insider.

New research on tiny spiders has revealed that their brains are so large that they fill their body cavities and overflow into their legs, say a team of scientists at the Smithsonian Tropical Research Institute in Panama.

The post Brains of tiny spiders fill their body cavities and legs, Smithsonian researchers discover 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.

Scientists studying genetic variation and gene flow in a population of tortoises (Gopherus agassizii) in California’s Mojave Desert, were surprised recently to discover that two roads built in the desert in the 1970s had a noticeable impact on the population’s genetic structure.

The post Why did the tortoise cross the road? A recent study indicates few do. appeared first on Smithsonian Insider.

"X-Ray Vision: Fish Inside Out," is a new exhibition of striking x-rays that reveal the complex bone structure of fishes in the collections of the Smithsonian's National Museum of Natural History.

The post New exhibition looks at fishes from the “Inside Out” appeared first on Smithsonian Insider.

A box jellyfish from the Caribbean appears to have recently become established in the red mangroves of Florida near Boca Raton.

The post Caribbean box jellyfish now thriving in southern Florida appeared first on Smithsonian Insider.

Today, Marra is helping launch an Animal Mortality Monitoring Program in Africa intended to serve as an early warning system for emerging infectious diseases that can pass from animal populations into the human population.

The post Uganda park rangers with cell phones may help stop next world influenza epidemic appeared first on Smithsonian Insider.

In fact, researchers have learned, the detached male pedipalps transfer more sperm faster after copulation is ended by the female rather than the male.

The post Male spider’s sexual organs work fastest only when a female breaks them off appeared first on Smithsonian Insider.

The Smithsonian Tropical Research Institute has released the first completely portable bilingual species identification guide for the shore fishes of the tropical Eastern Pacific as a free iPhone application.

The post First fish App from the Smithsonian free on iTunes. “The Smithsonian Guide to the Shore Fishes of the Tropical Eastern Pacific” appeared first on Smithsonian Insider.

A new study provides a possible explanation for the mysterious flares. The suggestion is that there is a cloud around Sgr A* containing hundreds of trillions of asteroids and comets, which have been stripped from their parent stars.

The post X-ray flares observed by Chandra are asteroids being torn to pieces in a black hole appeared first on Smithsonian Insider.

A recent decline in Ovenbirds (Seiurus aurocapilla), a ground-nesting migratory songbird, in forests in the northern Midwest United States is being linked by scientists to a seemingly unlikely culprit: earthworms.

The post Earthworms to blame for decline of Ovenbirds in northern Midwest forests, study reveals appeared first on Smithsonian Insider.

Researchers at the Smithsonian Tropical Research Institute and University of Costa Rica studying why spiders do not stick to their own sticky webs have discovered that a spider's legs are protected by a covering of branching hairs and by a non-stick chemical coating. Their results are published online in the journal, Naturwissenschaften.

The post Fancy footwork and non-stick leg coating helps spiders not stick to their own webs 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.

The crustaceans are much more effective when they fight together than when they fight alone, a process McKeon calls the Multiple Defender Effect. “It is a clear example of synergy, and one that underscores the importance of biodiversity in the ocean.”

The post Preventing home invasions means fighting side-by-side for coral-dwelling crabs and shrimp appeared first on Smithsonian Insider.

The snakes are not only eating the area’s birds, but also the birds’ eggs straight from the nest.

The post Invasive pythons in Florida now stealing bird eggs straight from the nest appeared first on Smithsonian Insider.

Two new species of blind snakes found living on small, low-lying atolls in the Caroline Islands, are an unexpected discovery that is quite difficult to explain,

The post Not on a plane, but how did blind snakes ever get to the Pacific’s Caroline Islands? appeared first on Smithsonian Insider.

Scientists have discovered an incredible story of fungal fidelity among certain species of ants.

The post Fungal fidelity: some ants have been eating the same meal for 5 million years! appeared first on Smithsonian Insider.

The loud love calls of tiny túngara frogs (Physalaemus pustulosus) that reverberate through the nighttime jungles of Panama are bold advertisements for a suitable mate. […]

The post With picky eating, bats avoid poison prey appeared first on Smithsonian Insider.

A new video to help aviators identify the cause of bird strikes has been posted on YouTube by the U.S. Department of Agriculture's Wildlife Services Airport Wildlife Hazard Program and the Smithsonian's National Museum of Natural History.

The post Aircraft bird-strike reports can save lives. New video shows how to report, collect and ship evidence appeared first on Smithsonian Insider.

Accumulations of drifting snow are the most plausible explanation for the presence of a number of puzzling alluvial fan deposits found inside large impact craters on Mars

The post Melting snow likely created fan deposits inside Martian craters, geologists say appeared first on Smithsonian Insider.

Coral reefs worldwide are being destroyed by changes in ocean temperature and chemistry faster than at any time since the last reef crisis 55 million years ago, thousands of marine scientists warned from the International Coral Reef Symposium in Cairns, Australia.

The post Coral reef emergency: 2,600 scientists call for worldwide rescue appeared first on Smithsonian Insider.

The scientists made the spiders exercise by irritating them with a small paint brush and causing them to move around until they became exhausted. Spiders from the group with palps removed were able to travel 300 percent further than spiders with their palps intact.

The post Weight of genitals reduces physical endurance in male orb web spiders, researchers find appeared first on Smithsonian Insider.

By attaching tiny radio transmitters to more than 400 seeds, Patrick Jansen, scientist at the Smithsonian Tropical Research Institute and Wageningen University, and his colleagues found that 85 percent of the seeds were buried in caches by agoutis, common, house cat-sized rodents in tropical lowlands.

The post Thieving rodents hiding seeds drives continual rejuvination of tropical forests appeared first on Smithsonian Insider.

A new study has unveiled how the tiny hummingbird adapts to flying in heavy rain.

The post Video shows how hummingbirds adjust flight in heavy rain appeared first on Smithsonian Insider.

They observed that no plugs were ever formed during mating trials, but instead, females exposed to many males produced the amorphous plugs during the egg-laying process.

The post Female spiders produce mating plugs to prevent unwanted sex from males appeared first on Smithsonian Insider.

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.

Astronomers have discovered that one well-known elliptical galaxy has a split personality. Centaurus A is hiding a gassy spiral in its center.

The post Split-personality elliptical galaxy holds a hidden spiral appeared first on Smithsonian Insider.

The new Sant Director of the National Museum of Natural History, Kirk Johnson, had only been on the job for 26 days when he got […]

The post Female “spidernaut” settles into new home at Smithsonian’s Insect Zoo appeared first on Smithsonian Insider.

Vampire Squid Illustration, 1889 This Smithsonian Snapshot celebrates the Halloween season with this 1889 scientific illustration of a vampire squid from Smithsonian Libraries. Its jet-black […]

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This 1889 scientific illustration of a vampire squid from Smithsonian celebrates Halloween. The squid’s jet-black skin, the caped appearance of the webbing between its arms […]

The post Vampire squid appeared first on Smithsonian Insider.

The western long-beaked echidna, one of the world's five egg-laying species of mammal, became extinct in Australia thousands of years ago…or did it?

The post Scientists discover long-beaked echidna may not be a thing of the past in Australia appeared first on Smithsonian Insider.

Clearly visible connecting the dark-purple cephalopods was the white “terminal organ” or penis of the male, extending out through the male’s funnel.

The post First detailed sex video of deep-sea squid resolves long-standing mysteries as to how these animals mate appeared first on Smithsonian Insider.

Astronomers have identified a new structure in the Milky Way: a long tendril of dust and gas that they are calling a "bone."

The post First “bone” of the Milky Way identified appeared first on Smithsonian Insider.

Using echolocation alone the bats found, identified and captured insects perched motionless and silent on the leaves of plants.

The post Common tropical bat uses echolocation with precision previously considered impossible, new experiments reveal appeared first on Smithsonian Insider.

The remora's sucker disc is "one of the most remarkable and most highly modified skeletal structures among vertebrates."

The post New study proves the remora’s sucker disc is in fact a highly modified dorsal fin / Q&A with taxonomist David Johnson appeared first on Smithsonian Insider.

Chris Crowe, keeper of the National Zoo’s 15 white-naped cranes, is well acquainted with the strong attachments these graceful Asian birds form with their mates.

The post With no credit to Cupid, white-naped crane couples remain faithful for life appeared first on Smithsonian Insider.

Forget the deep forest, “today the highest densities of deer in the state of Virginia are in suburbia,” says William McShea, ecologist and research scientist at the Smithsonian’s Conservation Biology Institute in Front Royal, Va.

The post Browsing suburbia: Virginia’s parceled-up farms and forests are ideal refuge for white-tailed deer appeared first on Smithsonian Insider.

Even dying stars could host planets with life – and if such life exists, we might be able to detect it within the next decade. […]

The post New evidence of extraterrestrial life may come from dying stars appeared first on Smithsonian Insider.

The inventions of Alexander Graham Bell—most famously the telephone but also methods of recording sound—have allowed people to hear each other’s voices for more than […]

The post “Hear My Voice”: Smithsonian identifies 130-year-old recording as Alexander Graham Bell’s voice appeared first on Smithsonian Insider.

Douglas Owsley, the division head for physical anthropology at the Smithsonian’s National Museum of Natural History, presented today a forensic analysis of 17th-century human remains […]

The post Forensic analysis of 17th-century human remains at Jamestown, Va., reveals evidence of survival cannibalism appeared first on Smithsonian Insider.

The Smithsonian is delighted to be included in this year’s Aspen Ideas Festival (June 26 – July 2 in Aspen, Colo.) which will gather some of […]

The post Three Smithsonian scientists to participate in Aspen Ideas Festival appeared first on Smithsonian Insider.

Fond of a range of marine and freshwater vegetation such as turtle grass and eelgrass, the Florida manatee spends most of its waking hours grazing […]

The post Algae bloom toxins may make Florida’s manatees and sea turtles susceptible to deadly accidents appeared first on Smithsonian Insider.

As economic expansion and development fragments the forest landscape of central India, the species that rely on that habitat—including endangered tigers and leopards—face dwindling populations […]

The post Forest corridors essential to gene flow in India’s leopard and tiger populations appeared first on Smithsonian Insider.

Microbes that live in rice paddies, northern peat bogs and other previously unexpected environments are among the bacteria that can generate highly toxic methylmercury, researchers […]

The post Toxic methylmercury-producing microbes more widespread than realized appeared first on Smithsonian Insider.

Ants dominate the earth’s ecosystems and many are voracious predators that use their mandibles and sheer numbers to pin down and tear apart most other […]

The post Carabidae in the colony, seven new beetles that bunk with ants: Q&A with Terry Erwin appeared first on Smithsonian Insider.