Scientists examining the stomach contents of invasive lionfish caught on the inner barrier reef of Belize have discovered that nearly half of the diet of […]

The post In Belize, Critically endangered wrasse now favorite food of invasive lionfish appeared first on Smithsonian Insider.

Studies show that on average, the weight of cremated remains for men is about 7.13 pounds (plus or minus 1.2 pounds) and for women, 4.9 […]

The post Hi-Tech Analysis Cracks Curious Case of Contaminated Cremains appeared first on Smithsonian Insider.

The world’s coasts are home to more than 70 percent of the human population and experience intense development as a result. The rate of environmental […]

The post Smithsonian Environmental Research Center Marks 50 Years of Making a Difference appeared first on Smithsonian Insider.

New data just published in the journal Marine Mammal Science may help save the whales, or at least a good many of them. Using vertebrae […]

The post New study may help free whales from fishing rope entanglement appeared first on Smithsonian Insider.

When it’s time for a meal of katydids, bats use their ears. When hunting and eating male katydids, different bat species locate their prey by […]

The post To hunt, bats listen for signals in prey mating calls appeared first on Smithsonian Insider.

For the first time, researchers at the Smithsonian Conservation Biology Institute’s Migratory Bird Center have accurately tracked small migratory ovenbirds (Seiurus aurocapilla) to their tropical […]

The post Miniaturized GPS Tags Allow Tracking of Small Songbirds for first time appeared first on Smithsonian Insider.

In one of the largest studies of its kind, a volunteer-fueled camera trapping effort showed that where coyotes have moved in, cats are nowhere to […]

The post Cats Don’t Roam in Places Coyotes Call Home appeared first on Smithsonian Insider.

Size isn’t the only thing that’s small about the pygmy sloth―its population is too. But scientists at the Smithsonian say things may be looking up […]

The post Study reveals more Pygmy Sloths, But There Still Aren’t Many appeared first on Smithsonian Insider.

Tiny Anolis lizards preserved since the Miocene in amber are giving scientists a true appreciation of the meaning of community stability. Dating back some 15 […]

The post Trapped in Amber: Ancient fossils reveal remarkable stability of Caribbean lizard communities appeared first on Smithsonian Insider.

Surplus mustard gas canisters and unexploded bombs dumped in the Pacific Ocean near Hawaii after WWII, have become, scientists say, a potential reef that is […]

The post Old bombs, chemical weapons now home for deep-sea starfish appeared first on Smithsonian Insider.

The odds of being attacked and castrated by a variety of parasitic flatworms increases for marine horn snails the farther they are found from the […]

The post Parasitic flatworms flout global biodiversity patterns appeared first on Smithsonian Insider.

Since researchers began surveys in the 1980s, coral reefs in the Caribbean have undergone widespread change following bleaching and disease epidemics that have reduced the […]

The post Study reveals Agriculture and Fishing Cause Coral Reef Decline appeared first on Smithsonian Insider.

Neanderthals (Homo neanderthalensis) were widespread across Europe and Western Asia for a long time, starting about 400,000 years ago. But things began to change when […]

The post Why did Neanderthals go extinct? appeared first on Smithsonian Insider.

Recently crowned the “astronomy photo of the year” by Slate’s Bad Astronomy blog, a new image of a region of Orion’s belt reveals the deepest […]

The post Stunning deep space photo reveals new details of Orion nebulae appeared first on Smithsonian Insider.

Smithsonian scientists and colleagues have discovered a new genus and species of river dolphin that has long been extinct. They made the discovery after carefully […]

The post Fossil Specimen Reveals a New Species of Ancient River Dolphin appeared first on Smithsonian Insider.

California’s Channel Islands are located dozens of miles west of the state’s coast and surrounded by Pacific waters, yet they too are experiencing the same […]

The post Drought slows wildlife reproduction on California’s Channel Islands appeared first on Smithsonian Insider.

The center of our Milky Way galaxy is a mysterious place. Not only is it thousands of light-years away, it’s also cloaked in so much […]

The post RADIO TELESCOPES COULD SPOT STARS HIDDEN IN THE GALACTIC CENTER appeared first on Smithsonian Insider.

Salamanders are typically elusive animals and adept at hiding, but National Zoo visitors will have a chance to see a variety of different amphibian species […]

The post National Zoo Opens New Home for Appalachian Salamanders appeared first on Smithsonian Insider.

When astronomers study protoplanetary disks of gas and dust that surround young stars, they sometimes spot a dark gap like the Cassini division in Saturn’s […]

The post Disk Gaps Don’t Always Signal Planets appeared first on Smithsonian Insider.

In many ways stars are like living beings. They’re born; they live; they die. And they even have a heartbeat. Using a novel technique, astronomers […]

The post DISCOVERY MEASURES “HEARTBEATS” OF A DISTANT GALAXY’S STARS appeared first on Smithsonian Insider.

New research by a team of archaeologists has revealed a curious connection between our traditional Thanksgiving dinner and the taste buds of prehistoric mammoths and […]

The post Study reveals ancient link between mammoth dung and pumpkin pie appeared first on Smithsonian Insider.

Throughout 2015 the Smithsonian Environmental Research Center (SERC) in Edgewater, Md., has marked its 50th year of operation. Now there’s another reason for SERC to […]

The post Smithsonian lab receives GreenGov Presidential Award appeared first on Smithsonian Insider.

Most people think of black holes as giant vacuum cleaners sucking in everything that gets too close. But the supermassive black holes at the centers […]

The post Event Horizon Telescope Reveals Magnetic Fields at Milky Way’s Central Black Hole appeared first on Smithsonian Insider.

A Smithsonian team of scientists re-examined a fossil sperm whale for the first time in 90 years and created an entirely new group in the […]

The post “Call Me Albicetus”: Fossil Sperm Whale Is Named in Honor of Moby-Dick appeared first on Smithsonian Insider.

In April 2015, after traveling for about half the age of the universe, a flood of powerful gamma rays from a distant galaxy slammed into […]

The post VERITAS Detects Gamma Rays from Galaxy Halfway Across the Visible Universe appeared first on Smithsonian Insider.

Bei Bei, Bao Bao, Tian Tian. Many people recognize the names of the giant pandas that reside at the Smithsonian’s National Zoo. Yet Juan Rodriguez […]

The post Meet Juan Rodriguez, panda keeper at the National Zoo appeared first on Smithsonian Insider.

Snowstorms and blizzards send people to raid supermarkets and prepare their homes for days of staying indoors, but how do the animals at the Smithsonian’s […]

The post What happens at the National Zoo when it snows? appeared first on Smithsonian Insider.

New fossils found in Northeastern China have revealed a remarkable evolutionary coincidence: an extinct group of insects known as Kalligrammatid lacewings (Order Neuroptera) share an […]

The post Remarkable butterfly look-alike lived 50 million years before butterflies appeared appeared first on Smithsonian Insider.

Through sheer coincidence, two Smithsonian researchers at the National Zoological Park have discovered that 18 percent of the white-tailed deer population in the Eastern United […]

The post Smithsonian study reveals white-tailed deer in eastern U.S. are infected with a malaria parasite appeared first on Smithsonian Insider.

Einstein’s general theory of relativity predicts the emission of gravitational waves by massive celestial bodies moving though space-time. For the past century gravitational waves have […]

The post Astronomers complete First Search for Visible Light Associated with Gravitational Waves appeared first on Smithsonian Insider.

Pop quiz! Name the first five dinosaurs that come to mind. Chances are good that one you named was Tyrannosaurs rex, a popular favorite perhaps best […]

The post New horse-sized tyrannosaur with big brain reveals how “T. rex” became top predator appeared first on Smithsonian Insider.

It is rare but not entirely uncommon to see a manatee swimming in the Atlantic waters of Maryland and Virginia. This one was dead, however, […]

The post In face of mass extinctions, Smithsonian’s Global Genome Initiative quietly saves world’s DNA appeared first on Smithsonian Insider.

Nocturnal, solitary and fiercely territorial the adult Egyptian pigmy shrew—one of the smallest mammals on earth—weighs just 7 grams. French zoologist Isidore Geoffroy Saint-Hilaire first […]

The post Sacred shrew mummies reveal species distribution in ancient Egypt appeared first on Smithsonian Insider.

Seven fossil teeth exposed by the Panama Canal expansion project are the first evidence of a monkey on the North American continent before the Isthmus […]

The post First North American Monkey Fossils Found in Panama Canal Excavation appeared first on Smithsonian Insider.

When soil temperatures 8 inches under the ground reach a balmy 64 degrees Fahrenheit, periodical cicadas emerge on the U.S. East Coast. They tend to […]

The post Billions & Billions of Periodical Cicadas appeared first on Smithsonian Insider.

Astronomers announced today that they have found the organic molecule methyl alcohol, or methanol, in the TW Hydrae protoplanetary disk. This is the first such […]

The post Methanol reveals comets forming in distant solar system appeared first on Smithsonian Insider.

The planet’s last stronghold of wild cheetahs (Acinonyx jubatus) is losing genetic diversity at an alarming rate according to a new study from the Smithsonian […]

The post Smithsonian Study reveals Decline of Genetic Diversity in Wild Cheetahs appeared first on Smithsonian Insider.

A bite mark on a homicide victim’s skin is not an unusual discovery. A criminal’s teeth marks are also occasionally found on food at a […]

The post Crime bite: DNA on half-eaten food may someday send crooks to jail appeared first on Smithsonian Insider.

Keith Gagnon, a 9-year-old fascinated by birds, talks about the importance of bird conservation and why birds really matter. Step outside your house in the […]

The post Why Birds Really Matter: Keith Gagnon appeared first on Smithsonian Insider.

President Jimmy Carter, an avid birder, talks about the importance of bird conservation and why birds really matter. Step outside your house in the morning […]

The post Why Birds Really Matter: President Jimmy Carter appeared first on Smithsonian Insider.

In an age of one-hour delivery and overnight shipping, a corner of the country still gets its mail by mule. That’s right. For a small […]

The post In the Grand Canyon, the U.S. Postal Service still delivers mail by mule appeared first on Smithsonian Insider.

According to a new study, eating sea turtle eggs increases the health risk of heavy metal exposure in local communities in Panama and may provide […]

The post Human health risks of eating sea turtle eggs could benefit species appeared first on Smithsonian Insider.

For the first time in 25 years, primate staff at the Smithsonian’s National Zoo are celebrating the birth of a male Bornean orangutan. He was […]

The post Orangutan Born at Smithsonian’s National Zoo appeared first on Smithsonian Insider.

There’s something exciting and strange about having an idea. It can come suddenly. Unexpectedly. Randomly. Intensely. Ideas can uninvitingly appear full-forced and bright—like the cliché […]

The post Making the Smithsonian’s New “Sidedoor” podcast series a reality appeared first on Smithsonian Insider.

With roughly 5,500 individuals remaining in the wild, the black rhino population is critically endangered. To help save these iconic African giants, at risk for […]

The post A Planet in Peril: Q&A with Suzan Murray of the Smithsonian Global Health Program appeared first on Smithsonian Insider.

In 1935, 101 cane toads from Hawaii were set loose in Australia to help control beetles that were decimating the Australian sugar crop. But instead […]

The post Discovery: Australia’s invasive cane toads modify their bodies to conquer new territory faster appeared first on Smithsonian Insider.

The Smithsonian’s National Portrait Gallery celebrates the accomplishments of astronaut and Senator John Glenn (1921-2016) with a watercolor and graphite portrait by Henry C. Caselli […]

The post John Glenn Portrait on View at National Portrait Gallery appeared first on Smithsonian Insider.

Every few thousand years, an unlucky star wanders too close to the black hole at the center of the Milky Way. The black hole’s powerful […]

The post Our Galaxy’s Black Hole is Spewing Planet-size “Spitballs” appeared first on Smithsonian Insider.

The 11 farthest known stars in our galaxy are located about 300,000 light-years from Earth, well outside the Milky Way’s spiral disk. New research by […]

The post Farthest Milky Way stars might be ripped from another galaxy appeared first on Smithsonian Insider.

Food is scarce in the deep, dark regions of the ocean where barbeled dragonfishes and their relatives dwell. Known as the Stomiidae, some of these […]

The post Odd anatomy: flexible joint between skull and spine allow dragonfish to open wide appeared first on Smithsonian Insider.