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Earth Science

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How Much Pressure Is at Earth’s Center and Other Questions From Our Readers

Watch the latest episode of the popular YouTube series, “The Doctor Is In.”

In 2016, fluid like water or liquid carbon dioxide broke into the fault system. Over four years, it filled the cracks and set of a swarm of tremors.

New Research

Earthquake Swarm Reveals Complex Structure of a California Fault Line

In 2016, fluid broke into the cracks of a fault system, setting off a four-year-long swarm of mini earthquakes

Smithsonian Geologist Liz Cottrell answers your questions in the National Museum of Natural History’s YouTube series, “The Doctor Is In.”

Smithsonian Voices

Do Volcanoes Spew a Cooler Lava?

Smithsonian geologist Liz Cottrell has answers to your questions on black lava and the Earth’s molten outer core in the “Dr Is In” video series

A new study has mapped green algae blooms, like the one pictured here, on the Antarctic Peninsula.

Algae Blooms Turn Antarctica’s Ice Green

Scientists predict that the organisms’ presence will increase as global temperatures increase

Mauna Kea as seen from the Mauna Loa observatory.

New Research

Mauna Kea’s Quakes Might Be Caused by Shifting Gas

The volcano has been rumbling regularly for years, but it’s nothing to worry about

The list covers findings in biology, justice and human rights, the environment, and more.

Planet Positive

Fifty Things We’ve Learned About the Earth Since the First Earth Day

On April 22, 1970, Americans pledged environmental action for the planet. Here’s what scientists and we, the global community, have done since

Satellite image of the Thomas Fire's burn scar and active flames, in northern Ventura, on December 5, 2017.

Could Wildfire Ash Feed the Ocean’s Tiniest Life-Forms?

Ash falling on the ocean after a wildfire could fuel plankton growth

These are ten of the biggest strides made by scientists in the last ten years.

The Top Ten Scientific Discoveries of the Decade

Breakthroughs include measuring the true nature of the universe, finding new species of human ancestors, and unlocking new ways to fight disease

The Ten Best Science Books of 2019

New titles explore the workings of the human body, the lives of animals big and small, the past and future of planet earth and how it’s all connected

An image of the Camp Fire in Northern California on November 8, 2018, from the Landsat 8 satellite.

Scientists Around the World Declare ‘Climate Emergency’

More than 11,000 signatories to a new research paper argue that we need new ways to measure the impacts of a changing climate on human society

The sea urchins are causing havoc.

Voracious Purple Sea Urchins Are Ravaging Kelp Forests on the West Coast

The trouble started in 2013, when sea stars, an urchin predator, began to die off

Did a 1964 Earthquake Bring a Dangerous Fungus to the Pacific Northwest?

A new study posits that tsunamis triggered by the Great Alaska Earthquake washed Cryptococcus gattii onto the shore

One witness to an 1859 Northern Lights display was the artist Frederic Edwin Church, who later painted Aurora Borealis (above, detail).

Re:Frame

The Crazy Superstitions and Real-Life Science of the Northern Lights

In the latest episode of ‘Re:Frame,’ Smithsonian curators take a deep dive into the dramatic painting ‘Aurora Borealis’ by Frederic Church

The rotation and convection of molten iron at the center of the planet creates a dynamo effect, generating Earth's magnetic field.

Earth’s Magnetic Field Could Take Longer to Flip Than Previously Thought

New research suggests a polarity reversal of the planet takes about 22,000 years, significantly longer than former estimates

“Re:Frame,” a video web series produced by the Smithsonian American Art Museum, investigates the compelling role graphite has played in the history of art—and in Teresita Fernández’s work.

Re:Frame

How Artist Teresita Fernández Turns Graphite, the Stuff of Stardust, Into Memories

A new episode of the Smithsonian’s ‘Re:Frame,’ explores the origin of graphite, a material artists have used for centuries

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

New Research

The Glacier That Produced the ‘Titanic’ Iceberg Has Suddenly Stopped Flowing

After a period of losing 66 feet of ice per year, the Jakobshavn Glacier is growing again—but that doesn’t mean glaciers aren’t in trouble

Future of Space Exploration

The Space Station Just Got a New Cutting-Edge Carbon Mapper

The OCO-3 instrument will watch Earth’s carbon levels change throughout the day

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