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Science / Our Planet

The 2010 census showed that Scituate had the highest number of people claiming Irish ancestry than any other town in America, almost 50 percent of its roughly 18,000 residents, earning it the nickname the “Irish Riviera.”

The Most Irish Town in America Was Built on Seaweed

After discovering ‘Irish moss’ in coastal waters, Irish immigrants launched a booming mossing industry in Scituate, Massachusetts

An artist's recreation of Hylonomus lyelli, a tiny reptile that lived more than 300 million years ago.

Tiny Animals Trapped in Fossil Trees Help Reveal How Fauna Moved Onto Land

New ancient animals will likely be discovered in 310 million-year-old fossilized trees in Nova Scotia

Hesperornithoides miessleri was a feathered dinosaur with many features we now associate with birds.

Discovery of Raptor-Like Dinosaur Adds a New Wrinkle to the Origin of Birds

A small, 150 million-year-old dinosaur unearthed in Wyoming ran on the ground, but it may have been closely related to some of the first fliers

Although the saying, "it's hot enough to fry an egg on the sidewalk," has been a common expression for over a century, it likely has never actually been hot enough to cook an egg on pavement.

Attempting to Fry an Egg on the Sidewalk Has Been a Summer Pastime for Over 100 Years

The Fourth of July is also National Fry an Egg on the Sidewalk Day, and no amount of scientific logic can crack this tradition

An artist's interpretation of what life could have been like if ancient humans and ancient ostriches crossed paths.

Fossil of Ancient Bird Three Times Bigger Than an Ostrich Found in Europe

The fossil is about 1.8 million years old, meaning the bird may have arrived on the continent around the same time as Homo erectus

Original Caption: Firemen stand on a bridge over the Cuyahoga River to spray water on the tug Arizona, as a fire, started in an oil slick on the river, sweeps the docks at the Great Lakes Towing Company site in Cleveland Nov., 1st. The blaze destroyed three tugs, three buildings, and the ship repair yards.

The Cuyahoga River Caught Fire at Least a Dozen Times, but No One Cared Until 1969

Despite being much smaller than previous fires, the river blaze in Cleveland 50 years ago became a symbol for the nascent environmental movement

An artist’s rendering of ancient Arctic hyenas belonging to the genus Chasmaporthetes. A new study reports that two enigmatic fossil teeth found in Yukon Territory in Canada belonged to Chasmaporthetes, making the teeth the first known fossils of hyenas found in the Arctic.

Beyond Dinosaurs: The Secrets of Earth's Past

Prehistoric Hyena’s Teeth Show Bone-Crushing Carnivore Roamed the Arctic

The only hyena to live in North America, Chasmaporthetes, had the stature of a wolf and the powerful jaws of its modern relatives

Using a geologist’s magnifying glass, Erin DiMaggio carefully scans a piece of volcanic ash in search of tiny minerals that hold the key to determining the age of nearby fossils.

Beyond Dinosaurs: The Secrets of Earth's Past

How Do Scientists Date Fossils?

Geologists Erin DiMaggio and Alka Tripathy-Lang explain techniques for targeting the age of a fossil find

An illustration by J. Troncy of savagnin grapes from Ampelographie: Traite General de Viticulture.

Ancient Grape DNA Tells the Prolific History of Wine

Grape seeds dating back to medieval and Roman periods share many similarities with the wine grapes we enjoy today

The sequoia tree slab is an invitation to begin thinking about a vast timescale that includes everything from fossils of armored amoebas to the great Tyrannosaurus rex.

Beyond Dinosaurs: The Secrets of Earth's Past

A 16-Million-Year-Old Tree Tells a Deep Story of the Passage of Time

To explain the exceedingly long life of the planet, the Smithsonian’s new fossil hall designers began with this arboreal wonder

How do parts of ancient creatures, like this fossil skull of an extinct herbivore, Miniochoerus from 33 million years ago, manage to survive and end up in a museum exhibition?

Beyond Dinosaurs: The Secrets of Earth's Past

How Do Fossils Form?

Learn from the Smithsonian’s curator of vertebrate paleontology Anna K. Behrensmeyer, a pioneer in the study of how organic remains become fossils

Irene Peden conducted groundbreaking work in Antarctica to measure the propagation of radio waves through the ice sheets, revealing properties of the ice below.

Women Who Shaped History

Trailblazing Engineer Irene Peden Broke Antarctic Barriers for Women

Originally told she could not go to Antarctica without another woman to accompany her, Peden now has a line of cliffs on the continent named in her honor

The spiral pattern of an Aloe polyphylla plant at the University of California Botanical Garden.

Decoding the Mathematical Secrets of Plants’ Stunning Leaf Patterns

A Japanese shrub’s unique foliage arrangement leads botanists to rethink plant growth models

An ancient population of Arctic hunter-gatherers, known as Paleo-Eskimos, made a significant genetic contribution to populations living in Arctic North America today.

Ancient DNA Reveals Complex Story of Human Migration Between Siberia and North America

Two studies greatly increase the amount of information we have about the peoples who first populated North America—from the Arctic to the Southwest U.S.

Artist's reconstruction of Fostoria dhimbangunmal, a newly described iguanodontian dinosaur.

Beyond Dinosaurs: The Secrets of Earth's Past

Dinosaur Bones Shimmering With Opal Reveal a New Species in Australia

A discovery in an Australian opal mine remained unexamined for three decades—it turned out to be the most complete opalized dinosaur skeleton in the world

Towering over the Fossil Hall is the plant-eating sauropod Diplodocus, which has been on display since 1931 and now is posed with tail in the air.

Beyond Dinosaurs: The Secrets of Earth's Past

Amid All the Fossils, Smithsonian’s New Dinosaur Exhibition Tells the Complex Story of Life

The much-anticipated exhibition is packed full of Mesozoic dinosaur drama, new science, hands-on discoveries and state-of-the-art museum artistry

Ultimately, to understand how the Earth’s carbon cycle works is to appreciate the human influence currently impacting it.

Beyond Dinosaurs: The Secrets of Earth's Past

How Does Earth’s Carbon Cycle Work?

Stanford University’s Katharine Maher explains the mechanisms that heat and cool the planet

"I’ve never lost the wonder," says Hans-Dieter Sues (above). "To be the first human to find and touch an extinct creature is a singular moment that cannot be easily put into words."

Beyond Dinosaurs: The Secrets of Earth's Past

How Do Paleontologists Find Fossils?

Smithsonian’s Hans-Dieter Sues, who has collected fossil vertebrates in the U.S. and around the world shares some of his tips

This spring, temperatures in Alaska and northern Canada have been significantly higher than usual. Red indicates areas warmer than average while blue indicates colder than average. The darker the red, or blue, the greater the deviation from average.

Record-Breaking Heat in Alaska Wreaks Havoc on Communities and Ecosystems

Abnormally high temperatures have led to unsafe travel conditions, uncertain ecological futures and even multiple deaths

Do fungi like this Penicillium mold, which produces the the antibiotic penicillin, trace their origins to an ancestor that lived a billion years ago?

Fossil Discovery Pushes Back the Origin of Fungi by Half a Billion Years

Ancient fungus helps rewrite what we know about evolution and the tree of life

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