Returning Rapids Project investigator Chris Benson examines old photos of the Colorado River to see how it has changed over time.

Citizen Scientists Document a Recovering Colorado River

The Returning Rapids Project charts a resurgent waterway and its surrounding ecosystems

Paleontologists have recognized three related, parrot-like dinosaurs in the Hell Creek Formation. Eoneophron infernalis (top left) walks by MOR 752 (bottom left) and Anzu wyliei (right).

Newly Discovered, Parrot-Like Dinosaur Roamed North America Alongside T. Rex

While larger dinosaurs are comparatively well-known, finding smaller species paints a more complete picture of life before the mass extinction

Kelp cultivated in underwater forests could help curb climate change, both because of the carbon these forests capture and because products made from kelp can reduce carbon emissions.

Could Sinking Tons of Seaweed to the Ocean Floor Help Combat Climate Change?

Submerged seaweed can store carbon at the bottom of the sea, but how effective the strategy will be remains unclear

A museum curator gives a sense of scale to the reconstructed jaws of the fossil shark Otodus megalodon.

Was Megalodon Slimmer Than Previously Thought?

A new study has spurred scientists to debate the shape of prehistory’s biggest shark

Depictions of catlike animals are visible on stones under a rotating, starry sky.

Smithsonian Photo Contest Galleries

These 15 Photos Capture the Beauty of the Night Sky

Stars shine in these heavenly images from the Smithsonian Magazine Photo Contest

Ringed by dramatic mountains, Cumberland Bay, on the coast of South Georgia Island, is home to whales, seabirds, penguins and elephant seals. The island draws scores of sightseeing cruises each summer.

Humpbacks Have Rebounded in This Spot Decimated by Whaling

South Georgia Island’s Cumberland Bay has seen a resurgence of the marine mammals

A female elephant seal rests with her pup on the California coast. Pups in this population spend more days fattening up on mother’s milk than in southern populations on the Kerguelen Islands.

Inside Elephant Seal Pups’ Race to the Depths

While northern pups dive right in, their southern cousins take their time

The 160-year-old pelt of the woolly dog Mutton in the Smithsonian’s collection

What Happened to the Extinct Woolly Dog?

Researchers studying the 160-year-old fur of a dog named Mutton in the Smithsonian collections found that the Indigenous breed existed for at least 5,000 years before European colonizers eradicated it

Surfers play an overlooked role in keeping other beachgoers safe, according to new research.

Surfers Play a Crucial Role in Ocean Rescue

During their lifetimes, surfers rescue an average of three people in trouble, according to a new study

The earliest known fossil of epidermis was preserved due to unique circumstances.

This 288-Million-Year-Old Fossilized Scrap of Skin Is the World’s Oldest

The remains, found in an Oklahoma cave, belonged to a lizard-like reptile

Ocean drainage basins of the world

These Entrancing Maps Capture Where the World’s Rivers Go

Cartographer Robert Szucs uses satellite data to make stunning art that shows which oceans waterways empty into

This blue whale skull is one of the largest in any collection on earth.

How an Eye-Popping Museum Specimen Boosted the Beleaguered Blue Whale

For decades, visitors to the Smithsonian could behold the immense size of the sea mammal with their own eyes

I thought I saw more red foliage this fall. Is that related to climate change?

Does Climate Change Affect Leaves’ Fall Colors? And More Questions From Our Readers

You’ve got questions. We’ve got experts

Left, Bartram’s illustration of Annona grandiflora, a member of the pawpaw family, which appeared in the naturalist’s 1791 Travels, right.

More Than 200 Years After He Toured Florida, America’s First Great Environmentalist Is Inspiring Locals to Reconnect With Nature

A new generation is discovering the rambling Southern route of William Bartram and his legendary 1791 travelogue

Plastics break down over time into micro- and nanosized particles that litter our water and air.

One Liter of Bottled Water May Contain 240,000 Tiny Plastic Fragments

A new technique reveals that the liquid may contain 10 to 1000 times more plastic pieces than previously thought

Paola Magni in 2022, taking a water sample from Italy’s Lake Bracciano—the site of the mysterious death of a local teenager, ten years before.

The Scientist Using Bugs to Help Solve Murders

At crime scenes around the world, the forensic entomologist Paola Magni is taking her field into uncharted waters

Sunlight illuminates a plaque in Charleston, South Carolina, honoring 36 likely enslaved people—ranging in age from 3 to over 50—whose remains were discovered in 2013.

Tracing a Lost Ancestry

A New Project Uses Isotopes to Pinpoint the Birthplaces of the Enslaved

In South Carolina, members of the local Black community are teaming up with scientists to produce a novel study of the trans-Atlantic slave trade

A leatherback turtle returns to the sea after nesting. Females spend three to five months at a time nesting, laying eggs for periods of about nine days.

Should Endangered Turtles Have Legal Rights?

To protect the majestic reptiles around the isthmus of Panama, an ambitious conservation group digs deep both on and off the beach

Costa Rica's Arenal volcano spews geysers of lava, ash and toxic gases

Why Central American Volcanoes Are Ideal for Studying Earth’s Evolution

The volcanic arc extending from Mexico to Costa Rica expels a variety of magma types that make for a geological paradise

Solar eclipse viewers at NASA’s Johnson Space Center on October 14, 2023

Nine Dazzling Celestial Events to Watch in 2024

Skywatchers can expect spectacular meteor showers, a comet soaring past Earth and a long-anticipated total solar eclipse

Page 24 of 453