Our Planet

Solar panels and wind turbines could help the U.S. reduce carbon emissions for cheaper than you think.

New Research

The U.S. Could Switch to Mostly Renewable Energy, No Batteries Needed

Better electricity sharing across states would dampen the effects of variable weather on wind and solar power

Rocky bodies that slammed into early Earth might have been integral in setting up the conditions for our magnetic field.

Journey to the Center of Earth

Humble Magnesium Could Be Powering Earth's Magnetic Field

The common element could have been driving the planet's dynamo for billions of years

A concept (preliminary) rendering for the Mulciber Stove, which its inventors say gives off less smoke per hour than one cigarette.

Future of Energy

How to Modernize the Wood Stove and Help Save the Planet

The humble wood stove is getting a high-tech makeover, and may be going green

Fossilized microbial mats, or stromatolites are one of the oldest fossils found on Earth. This one lurked in shallow waters 3.4 billion years ago.

Life and Rocks May Have Co-Evolved on Earth

A Carnegie geologist makes the case that minerals have evolved over time and may have helped spark life

“We’ve been raising CO2 in this marsh for 30 years, but [elevated] CO2 comes with warming,” says Pat Megonigal, lead researcher of the new study in the Global Change Research Wetland at Smithsonian Environmental Research Center (SERC).

Age of Humans

For the World’s Wetlands, It May Be Sink or Swim. Here’s Why It Matters

One of the world’s most long-studied marshes has revealed a wealth of information, but it continues to perplex and intrigue the scientists who analyze it

Antarctica as viewed from space. The world's largest ozone hole—now shrinking—opens over Antarctica every year during local summer and shrinks in the winter.

Age of Humans

The Ozone Hole Was Super Scary, So What Happened To It?

When the ozone hole was discovered, it became a worldwide sensation. Thirty years later, what's become of it?

A man pulls a cart full of empty PC cases that'll be broken down by recyclers in Agbogbloshie, in Accra, Ghana.

Age of Humans

The Burning Truth Behind an E-Waste Dump in Africa

Ending the toxic smoke rising from an iconic dump in Ghana will take more than curbing Western waste

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Ask Smithsonian: What Is Wind?

Whether arriving on a gentle breeze or a stiff gale, air moves like water responding to high and low pressures around the Earth

Microbes are now known to play many roles in the upper atmosphere: forming clouds, causing rain, and maybe even changing climates.

Age of Humans

Living Bacteria Are Riding Earth's Air Currents

The high-flying microbes can travel across the globe, spreading disease or even changing climates

Pollutants hang in the air at a coke plant in Pennsylvania. This plant was photographed in 1973, but humans have been polluting their air for many years before that.

Age of Humans

Air Pollution Goes Back Way Further Than You Think

Thousands of years ago, humans were adding lead fumes and other pollutants to the air

A mushroom cloud rises in the sky during an atomic weapons test in the 1950s.

Age of Humans

The Atomic Age Ushered In the Anthropocene, Scientists Say

Geoscientists have concluded that the Age of Humans officially began at the start of the nuclear age.

Our Changing Seas III, 2014

Art Meets Science

Does This Sculpture Depict a Coral Reef Collapsing or Recovering?

Artist Courtney Mattison's spiral-shaped piece explores the uncertain future for coral reefs

A white stork forages for food at a landfill in Beja, Portugal.

Anthropocene

These Photographs Show the Bleak New Home for the White Stork: A Landfill

Dutch wildlife photographer Jasper Doest followed the path of the white stork's migration route, forever altered by human activity

Deep Earth creepy crawlies, mushrooms making rain, and a Maya city buried in ash are just a few highlights from this year's collection of science stories.

Cool Science Stories You May Have Missed in 2015

Quantum spookiness, a Maya city buried in ash and more in this year’s surprising science

Are We on the Cusp of a Global Volcanic Winter?

If a supervolcano like the one at Yellowstone were to erupt, the world would be engulfed in a global volcanic winter. Estimated cost: $3 trillion

Top Nine Ocean Stories That Had Us Talking in 2015

From fossil whales to adorable octopuses, here are some of the marine headliners that caught our attention this year

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Age of Humans

Most Oil Needs to Pass Through at Least One of These Tiny Spots

Tankers carry millions of barrels a day through tiny chokepoints, which put the surrounding areas at risk of environmental problems

Smithsonite, or zinc spar, is a carbon zinc ore.This mineral was named in 1832 after English chemist and mineralogist James Smithson (founding donor of the Smithsonian Institution).

We Are Missing At Least 145 Carbon-Bearing Minerals, and You Can Help Find Them

The Carbon Mineral Challenge is asking rock enthusiasts around the world to hunt for the undiscovered forms of this common element

A cheetah stalks past a herd of giraffes in Kenya's Masai Mara National Reserve.

Age of Humans

Humans Caused a Major Shift in Earth's Ecosystems 6,000 Years Ago

We upended a pattern held for 300 million years, and that may mean we are causing a new phase in global evolution

High in the sky, aerosols from airplane exhaust become encased in ice and form the bright contrails seen in a plane’s wake.

Age of Humans

Airplane Contrails May Be Creating Accidental Geoengineering

Dissipating haze from plane exhaust alters how sunlight reaches the Earth and may be unintentionally affecting our climate

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