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Dams block the flow of a river to hold water in a reservoir, which can be used for agriculture, recreation, household needs or industry. The flow of water through a dam can generate hydroelectric power. Aging dams are being dismantled across the country, restoring the natural flow to rivers.

Dam Removals Are Bringing Fish Back Across the Northeastern United States, Striking Down One Tiny Barrier at a Time

While the demolition of big dams in the West gets more attention, many of these often-obsolete obstructions are also coming out of northeastern streams and rivers—and herring are returning in droves

Ben Goldfarb, bioGraphic

Tyrannosaurus rex’s image has seen major adjustments over the past century.

Five Discoveries That Changed Our Understanding of T. Rex Forever, From Warm Blood to Lips

Pottery fragments from Etowah in Georgia, where people of the Mississippian culture built large earthen mounds

Ancient Pottery Reveals the Earliest Known Traces of Chocolate East of the Mississippi, Painting a Picture of Connection in the Americas

Leap seconds have kept our clocks more or less aligned with astronomical time.

It’s Official: Timekeepers Have Gotten Rid of the Leap Second—and Introduced the Leap Hour Instead

The nocturnal barn owls have drawn crowds of birders at night.

A Family of Barn Owls Has Moved Into New York City’s Upper West Side, Perhaps the First to Nest in Manhattan in Modern History

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Dams block the flow of a river to hold water in a reservoir, which can be used for agriculture, recreation, household needs or industry. The flow of water through a dam can generate hydroelectric power. Aging dams are being dismantled across the country, restoring the natural flow to rivers.

Dam Removals Are Bringing Fish Back Across the Northeastern United States, Striking Down One Tiny Barrier at a Time

While the demolition of big dams in the West gets more attention, many of these often-obsolete obstructions are also coming out of northeastern streams and rivers—and herring are returning in droves

Colorful coral flourish in New Caledonia, a French territory off the east coast of Australia, near a cliff overlooking beautiful, clear waters.  

These 15 Photos Showcase the Intensely Brilliant Colors of Coral Reefs and the Creatures That Live Among Them

These images from the Smithsonian Magazine Photo Contest highlight the importance of the marine ecosystems and the many species they help sustain

A Bubble Barrier creates a diagonal line of whiter water in Amsterdam's Westerdok.

Could This Dutch Invention Help Tackle Plastic Pollution in America’s Waterways?

The Netherlands has had success with the Bubble Barrier, which pumps air bubbles from the bottom of a canal or river to direct plastic to the surface. Now, Lansing, Michigan, is looking to be the first to install the technology stateside

Tyrannosaurus rex’s image has seen major adjustments over the past century.

Five Discoveries That Changed Our Understanding of T. Rex Forever, From Warm Blood to Lips

Paleontologists are still unraveling the secrets of the world’s most famous dinosaur, such as its outward appearance or the way that it hunted. With each new finding, our view of the “tyrant lizard king” has gotten a little clearer—and sometimes has radically shifted

The user, if pregnant, will feel raised bumps on both sides of the flat lollipop—a reaction to hCG, a hormone that the body produces during pregnancy.

This Lollipop Could Help Blind Women Independently Detect Pregnancy

Design student Sneha Rao is developing Tact, an edible pregnancy test that allows people with vision impairment to feel its results on their tongues

Pottery fragments from Etowah in Georgia, where people of the Mississippian culture built large earthen mounds

Ancient Pottery Reveals the Earliest Known Traces of Chocolate East of the Mississippi, Painting a Picture of Connection in the Americas

A new archaeological discovery suggests that people in present-day Georgia have feasted with cacao for 1,000 years

A giant panda peers through the trees and gazes at the photographer at a nature reserve in China’s Qinling mountain range.

These 15 Adorable Photos of Pandas Will Make You Want to Visit the Zoo Immediately

Members of the fluffy and adorable but vulnerable species are often cared for in zoos and breeding centers around the world, and these snapshots may make you jealous of the caretakers’ jobs

With so many food products now touting added protein, consumers have been left wondering how much is really necessary.

Is More Protein Always Better? Despite the Craze Around the Nutrient, Research-Backed Evidence About Its Benefits Is Complicated

It can be difficult to see through the array of flashy, protein-packed products and determine whether you need more of it—and which foods to consume to get it. We asked health experts about the benefits and drawbacks of chasing protein

On Scotland's uninhabited island of Staffa, Fingal’s Cave is formed from tall basalt columns created by ancient volcanic activity.

Seven Places in Europe That Legends Say Were Built by Giants, Devils or Dragons

Bridges, mountains, caves and rock formations that seem impossible to explain become magnets for folklore

A lion surveys his vast territory in Maasai Mara.

These 15 Wonderful Photographs of Kenya’s World-Class Wildlife Will Have You Booking a Flight to the Savanna

The East African nation is home to a number of conservation parks where its impressive animals roam free

In the lab, archaeologists showed how they could rapidly produce thick rope by threading cattail fibers through a replica of a Stone Age tool.

Archaeologists Are Reconstructing the ‘Invisible’ Technologies of the Stone Age, From Rope to Thread and Twine

Largely missing from the archaeological record, fiber innovations played a huge role in the lives of early humans. Researchers are weaving together new insights from the traces they left behind

Galaxy NGC 1386, which hosts an active supermassive black hole that was analyzed in a new study

Active Supermassive Black Holes May Be Engines of Star Formation, Not Just Destruction, Study Suggests

Scientists mapped out the structure of nine bright cores of galaxies located near the Milky Way and revealed common patterns that could shed light on how the universe evolved

Smoke from massive wildfires in Canada engulfed the New York City skyline, reducing visibility and casting an orange haze over city on July 16, 2026.

From 22,000 Miles Up, This Satellite Tracks Airborne Health Threats Almost in Real Time

The new instrument, called TEMPO, captures hourly snapshots of the pollutants swirling in the daytime atmosphere over North America—“chemical weather” reports that are helpful to public health researchers and government officials

The Earth in the Mesozoic Era, when dinosaurs roamed the planet, looked much unlike how it does today—even beyond presence of creatures like Giganotosaurus.

Five Ways the World of the Dinosaurs Looked Different From Ours, Beyond the Presence of the ‘Terrible Lizards’

Earth has changed dramatically since the Age of Dinosaurs, from its climate to geography and animal life

Lake sturgeon—massive and long-living fish in the Great Lakes—may survive to much older ages than scientists previously thought, according to a recent study. Here, a juvenile lake sturgeon is captured during a fisheries assessment in the St. Clair-Detroit River System.

Some Fish in the Great Lakes Might Be More Than 400 Years Old, a Study Suggests, Outliving Around 15 Generations of Humans

Lake sturgeon may be among the longest-living vertebrates, second only to Greenland sharks, according to recent research. However, scientists note that follow-up work is necessary to clarify the species’ life span

Schizophrenia is difficult for psychiatrists to diagnose. Can artificial intelligence help do it better?

Could Artificial Intelligence Help With Early Diagnosis of Schizophrenia?

The tool may pick up subtle differences in the speech of people with the mental health condition better than human psychiatrists

GLP-1 drugs, medications that are self-injected to support weight loss and lower blood sugar, helped peptides become mainstream.

Peptides Are All the Rage, Promising Miracle Cures and Makeovers Delivered by Injection. How Did We Get Here?

Experts say the peptide craze is part of a broader phenomenon, as patients look beyond the regulated health system to address problems that doctors have struggled to treat

A hawksbill sea turtle munches away on a sponge near Juno Beach.

Smithsonian Photo Contest Galleries

Journey Under the Sea With 20 Amazing Photos of Marine Life, From Seahorses to Manta Rays to Orcas to Turtles

These Smithsonian Magazine Photo Contest images feature the captivating creatures that live beneath the waves

The white-headed duck is “one of the true eccentrics of the waterfowl world because almost everything about it seems unusual,” says waterfowl expert Nicky Petkov.

Spain’s White-Headed Ducks Have a Signature Color Right in the Name. And That Isn’t Even Their Most Remarkable Hue

The first thing you’re likely to notice is the blue bill. But beyond appearances, the duck has an exciting story to tell about conservation and recovery

In loud conditions, a tokay gecko adjusts its call, which is typically used to find a mate or defend territory.

Reptiles Make a Surprising Amount of Noise. Here’s What Those Sounds Might Mean, From Pops to Hoots to Bellows

Scientists are realizing that turtles, lizards and crocodilians communicate vocally more than they once thought

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