New Research

Researchers found roughly 40 depressions on the lake bed of Lake Michigan within the Wisconsin Shipwreck Coast National Marine Sanctuary.

Mysterious Craters Discovered on the Bottom of Lake Michigan Could Hold Lessons About Early Life on Earth

Scientists aren't sure how the circular indentations some 450 feet below the surface formed, but they hope to investigate further

The researchers examined eight Iranian swords in their study.

These Iron Age Swords Were Smuggled Out of Iran and Modified to Increase Their Value on the Black Market

Using advanced imaging techniques, researchers discovered modern glue, drill holes and even a fragment of a drill bit in the pastiches

The lions have been housed as taxidermy specimens at the Field Museum in Chicago since 1925.

Two Lions Went on a Man-Eating Spree in 1898. Now, DNA Evidence Reveals Their Diets

The notorious predators, nicknamed the “Man-Eaters of Tsavo,” terrorized railway workers in Kenya for roughly nine months

A group of old men playing cards in a bar in Acciaroli, southern Italy, in 2016. The town has a disproportionately high number of centenarians.

Human Lifespan Might Be About to Hit a Ceiling, Experts Say

In the ’90s, many scientists disputed an epidemiologist’s warning that the fast-paced life extension of the 20th century would plateau. Now, a new study suggests he was right

Elephants' wrinkly trunks might serve a purpose and reveal whether the individual prefers to bend the handy appendage to the right or the left.

How an Elephant's Wrinkles Reveal Whether It Is Right- or Left-Trunked

A new study sheds light on the muscular, dexterous appendage, suggesting trunk wrinkles are more important than many people realize

Volunteers looked at the original artworks in the museum and posters in the gift shop.

Seeing Vermeer’s 'Girl With a Pearl Earring' in Person Stimulates the Brain More Than Looking at Reprints, Study Suggests

Scientists used EEG headsets, MRI machines and eye trackers to study volunteers' responses to five paintings housed at the Mauritshuis museum in the Netherlands

An illustration of a pluripotent stem cell, which can be coaxed to develop into various kinds of tissue

World-First Stem Cell Treatment Reverses Diabetes for a Patient in China, Study Suggests

Scientists converted the patient’s own cells into blood sugar-regulating cell clusters before injecting them back into her abdomen—and one year later, she still doesn't need insulin injections

Virgin Mary, Infant Christ and the Young St. John the Baptist, studio of Sandro Botticelli, circa 1510

This Painting Was Thought to Be a Botticelli Copy. Now, Researchers Say It Was Made in His Studio

A new analysis suggests that the piece was created by several artists working in the Italian Renaissance painter's studio—and that Botticelli himself may have worked on important details

Dolphins living in captivity often make an open-mouth facial expression while playing with each other.

Bottlenose Dolphins 'Smile' at Each Other During Playtime, Study Finds

Researchers still don't know what the open-mouth facial expression means or whether it's akin to smiling in humans—but several animals make a similar face during play

An artist's rendering of gamma-ray glows observed during the research, with gamma rays colored purple for emphasis

Scientists Use Cold War-Era Spy Plane to Find Unexpected Gamma Rays in Thunderstorms

The new findings bring storm researchers one step closer to solving the mystery of how lightning forms

Oued Beht, highlighted in color

The Discovery of a 5,000-Year-Old Society in Morocco Reveals an Ancient Farming Culture

At the site known as Oued Beht, archaeologists uncovered evidence of a large farming settlement where people used advanced techniques

A worker of the fungus-farming ant species Mycetophylax asper, collected in Santa Catarina, Brazil, in 2014, on its fungus garden

Ants Farmed Fungi in the Wake of Dinosaurs’ Demise 66 Million Years Ago

A new study from Smithsonian scientists analyzes ant and fungus species, and uncovers the origins of their close partnership

Annual mammograms are recommended for women in their 40s and above, but new research suggests younger adults are increasingly at risk for breast cancer.

Breast Cancer Cases Are Rising Among Younger Women, Report Finds

Though breast cancer mortality is declining overall, Asian American women and women under 50 have experienced an uptick in diagnoses of the disease

An illustration of the newly detected exoplanet Barnard b, with the red dwarf Barnard's star in the background.

Astronomers Discover a Small Exoplanet That's Our Cosmic Neighbor at Just Six Light-Years Away

Orbiting Barnard's star, the nearest solo star to Earth, the world is too hot to be habitable—a scorching 257 degrees Fahrenheit

A new study suggests that coyotes, like the ones seen here, have the same face muscle as dogs that's used to make pleading "puppy eyes."

Coyotes Might Make 'Puppy Eyes,' Suggesting the Facial Expression Evolved for More Than Just Cuteness

The wild canines have the same muscles used by domestic dogs to create the wide-eyed, pleading look that captures humans' hearts

Mount Everest seen at sunset, as the peak’s height continues to grow at a rate of about two millimeters per year.

Geologists Reveal a Surprising Reason Why Mount Everest Grows Taller Each Year

Earth's highest peak has gained as much as an extra 165 feet in elevation as the planet's crust adjusts due to erosion from a river, according to a new study

A sloth in its natural habitat in Costa Rica, where sloth populations have decreased in the past decade, according to Rebecca Cliffe, lead author of the research.

Amid Rising Temperatures, Sloths' Slowness May Put Their Survival at Risk

The world’s slowest mammal is at risk of extinction by the end of the century due to their low metabolic rate and climate change

A wildfire burns in Quebec, Canada, in June of last year. Smoke from the fires drifted south to the United States.

Is Wildfire Smoke Causing Birds to Tend to Empty Nests?

New studies suggest smoke from western megafires may be damaging bird health and leading to strange behavior

Ning Zeng and other researchers discovered this 3,775-year-old preserved log while conducting a wood vaulting pilot project in Quebec, Canada.

This 3,775-Year-Old Log May Hold the Secret to a Low-Cost Climate Solution

Researchers say burying wood could be a viable method to prevent carbon from reaching the atmosphere

Some species of sea robins, such as Prionotus carolinus, use their leg-like appendages to dig out and taste prey beneath the sand. 

These Fish Have Legs—and They Can Use Them to Taste Prey

Sea robins have "the body of a fish, the wings of a bird and multiple legs like a crab"

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