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Science / Our Planet

A Malaysian boy and girl holding candles during the 60 minute Earth Hour 2012 celebration in Kuala Lumpur, March 31, 2012.

Anthropocene

What Climate Change Will Mean for the People of Oceania

On many maps the ocean is colored a uniform, solid blue. But for those who live off the waters, the sea is places, roads, highways

A type of coral trout called the leopard trout (Plectropomus leopardus) swims on the Great Barrier Reef.

Anthropocene

Fishing Bans Create a Glimmer of Hope on the Great Barrier Reef

No-take reserves have helped commercially important species bounce back, but the reef still faces some serious threats

The highest summit of the Jade Dragon (Yulong Xueshan) from what in 1985 was close to the center of the old town of Lijiang, China.

Anthropocene

Why the World Needs to Go to Great Heights to Save Mountain Habitats

After 30 years working in mountain regions, Jack Ives argues that the world’s elevated habitats are essential

National Museum of Natural History.

Anthropocene

Watch Highlights From the Smithsonian’s “Age of Humans” Symposium

Experts on the science, economics and innovations of climate change spoke at this one-day event in Washington, D.C.

Good reads about our home planet.

Anthropocene

Five Must-Read Books About Earth

Geologist Robert M. Hazen selects works spanning genres that offer insights into our planet’s history and inner workings

Workers with the Nigiri Project head out to test pens in the flooded rice fields near Sacramento.

Anthropocene

Rice Can Help Save Salmon If Farms Are Allowed to Flood

The Nigiri Project aims to restore the beloved fish by cutting a notch in a California levee and letting some floodplains return to nature

Art Meets Science

The Terrible Beauty of Glaciers Melting and Oceans Rising

Daniel Beltra’s aerial photographs reveal the human impact on nature

Electric vehicles, such as the ones sold by Tesla, could help to reduce city temperatures.

Anthropocene

Electric Cars Can Make Cities Cooler

It’s not just the flash and style, either—electric engines emit less heat than gas ones and could combat the urban heat island effect

Phytoplankton light up the beach on Vaadhoo.

These Spellbinding Light Phenomena Will Make You Believe in Magic

See seven stunning natural light shows from around the world

At the Batadomba-lena rock shelter in Sri Lanka, scientists found evidence that humans were living off rainforest resources as early as 20,000 years ago.

Anthropocene

Humans Relied on Rainforest Riches 12,000 Years Earlier Than Thought

Fossil remains suggest that prehistoric people in Sri Lanka may have eaten monkeys and other forest species

Best Space Photos of the Week

These Cosmic Visions Include a Mars Ocean and a Supernova Quartet

The red planet’s deep blue sea and a rare Einstein cross feature among the week’s best space images

A closeup of the Ledi jaw taken just steps from where it was found in the Afar region of Ethiopia.

Anthropocene

Oldest Human Fossil Unearthed in Ethiopia

At about 2.8 million years old, the Ledi jaw may belong to “the stem for the Homo genus,” according to its discoverers

Dog sled racing is a classic bit of fun in Alaska. But as that state warms, organizers are having to move or cancel races.

Anthropocene

While the U.S. East Shivers, Unusual Heat Stirs Trouble Across the Globe

Cancelled dog-sled races and restless grizzly bears serve as reminders that global warming is still at work

Skiing toward the breaking waves on a slush-covered beach.

Anthropocene

How “Slurpee” Waves Formed Along a Nantucket Beach

New England’s record cold created the perfect conditions for waves of slush, offering an unusual opportunity to ski on the beach

Peanut butter, known to the National Institute of Standards and Technology as SRM 2387.

Cool Finds

The Weird World of Standard Reference Materials, From Peanut Butter to Whale Blubber

Get the full story behind a $761 jar of peanut butter and other exorbitantly priced everyday objects used by scientists

The Black Death is immortalized by the plague masks of Venice, like this stylized version used in a Carnival costume.

Plague Pandemic May Have Been Driven by Climate, Not Rats

The bacteria responsible for the Black Death were reintroduced to Europe multiple times, possibly due to the changing climate

Navajo activist Delores Wilson opposes development on land she holds sacred: “You don’t want to anger the Holy Beings there.”

Who Can Save the Grand Canyon?

A holy war is being fought over a proposal to build a $500 million commercial development, on the rim of America’s natural treasure

None

Ask Smithsonian: What’s the Deepest Hole Ever Dug?

The answer to the question, says a Smithsonian researcher, is more about why we dig, than how low you can go

The Cliff Palace in Mesa Verde National Park in Colorado was abandoned hundreds of years ago, probably because of a severe drought. Scientists now predict that the region could experience an even worse megadrought in the latter half of the 21st century.

Anthropocene

The Western U.S. Could Soon Face the Worst Megadrought in a Millennium

Climate models predict that the region will be drier than the droughts that likely caused ancient Native Americans to abandon their pueblo cities

Is fine chocolate slipping through our fingers?

The World of Chocolate

How to Save the Chocolate Tree Without Sacrificing Flavor

Demand, disease and climate change are threatening cocoa, but a new breed of clones could keep the treat abundant and tasty

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