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Science / Our Planet

Could life on Earth have been born on Mars?

Cracking the Code of the Human Genome

Did Life Come to Earth From Mars?

Mineralogical clues point to the idea that the early Earth, starved of oxygen and submerged by a vast ocean, needed molecules from Mars to kick start life

New research shows that abnormally cool waters in the Pacific, part of a natural cycle, have masked the warming we should have seen due to greenhouse gas emissions. When the waters go back to normal, global warming will likely accelerate.

Why Global Warming Has Paused—And Why It Will Soon Start Up Again

Abnormally cool waters in the Pacific, part of a natural cycle, have masked the underlying warming caused by humans burning fossil fuels

One-year-old cubs play at the nursery in Bifengxia, China

A Zoo Panda Keeper on His Trip to China and Why Mei Xiang is a Great Mom

Panda keeper Juan Rodriguez opens up about Mei Xiang’s first days with her new cub, as well as a recent trip to a partner panda facility in China

Seljalandsfoss is one of the most beautiful waterfalls in Iceland. Dropping from a 200-foot-high cliff to a deep pool below, this unusual waterfall of the Seljalandsá River has a unique indentation in the rock face that allows visitors to hike behind the picturesque falls. Lush greenery and a wide variety of colorful wildflowers surround the falls. As photographer Mike Reyfman describes, "Getting in touch with the natural wonders of Iceland can be a very exhilarating and enlightening experience. Located along the south coast is one of its most breathtaking waterfalls. To take a panoramic capture of the Seljalandsfoss, a photographer must be prepared for the intense mist and huge dynamic range."

25 Stunning Photographs of the Natural World

A collection of winning photographs from the Nature’s Best Photography competition, on display now at the Museum of Natural History

Five Unusual Ways Scientists Are Studying Climate Change

Fossilized urine, old naval logbooks and the recent speeds of satellites are among the unexpected records that track changing climate

Food residue encrusted on 6,000-year-old pottery fragments from Northern Europe, such as the one above, show traces of mustard seed, which was likely used as a seasoning for fish and meat.

Ancient Pottery Fragments Show That Prehistoric Humans Used Spices Too

Shards of 6,000-year-old cooking pots from northern Europe show traces of mustard seed, likely used as a seasoning for fish and meat

McShea (in Posey Hollow): “Nobody has tried anything nearly as comprehensive.”

A Scientific Laboratory 170 Feet High in the Sky

Grand-scale ecology brings a Virginia forest under unprecedented scrutiny by Smithsonian researchers

By analyzing a piece of fish’s DNA, researchers have found that roughly a third of U.S. seafood is mislabeled.

How DNA Testing Can Tell You What Type of Fish You’re Really Eating

By analyzing a the DNA of fish sold across the country, researchers have found that roughly a third of U.S. seafood is mislabeled

The world’s reefs are fading fast.

Can Swarming Robots and Cloud Umbrellas Help Save Coral Reefs?

As reefs continue dying off, scientists have started to think more boldly about how to protect them

In new research, Japanese scientists determined that warmer temperatures have gradually made the Fuji apples mealier and less flavorful.

Climate Change Is Altering the Taste and Texture of Fuji Apples

Japanese scientists determined that warmer temperatures have gradually made the fruits mealier and less flavorful

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Waters Around Antarctica May Preserve Wooden Shipwrecks for Centuries

Some capsized ships may linger on the ocean floor indefinitely

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Why Are So Many Dolphins Washing Up Dead on the East Coast?

A Smithsonian marine biologist investigates the sudden die-off of bottlenose dolphins along the Atlantic—and suspects that human activity may play a role

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What Can Old Menus From Hawaii Tell Us About Changing Ocean Health?

A study of vintage menus reveals the drastic decline of the state’s local fish populations between 1900 and 1950

Are test-tube burgers transformative science?

11 Strange Science Lessons We Learned This Summer

In vitro meat? Teeth grown from urine? Screaming rocks and singing bats? It’s all real science from the summer of 2013

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These Ocean Waves Look Like Liquid Sculptures

Photographer Pierre Carreau captures waves mid-break, showing the surf’s delicate balance of power and fragility

New research shows that bottlenose dolphins are capable of long-term memory, recognizing the distinctive whistles of tankmates up to 20 years after they last lived together.

Dolphins Can Remember Their Friends After Twenty Years Apart

Tests on captive animals reveal that the marine mammals now hold the record for retaining memories longer than any other non-human species

Individual sharks, like people, possess their own distinct personalities.

Do Sharks Really Have Personalities?

A popular online quiz matches you with the shark species that best represents you, but individuals within a species can vary greatly, experts say

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Sharks Made Out of Golf Bags? A Look at the Big Fish in Contemporary Art

Intrigued by the powerful hunters, artists have made tiger sharks, great whites and hammerheads the subjects of sculpture

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Top Ten Stories About Sharks Since the Last Shark Week

Shark tourism, cannibalistic shark embryos, wetsuits designed to camouflage from sharks and more

A new study finds that across cultures, time and space, we consistently see more conflict as temperatures rise and rainfall becomes more erratic.

Climate Change Could Increase Armed Conflicts By 50 Percent Worldwide

A new study finds that across cultures, time and space, we consistently see more violence as temperatures rise and rainfall becomes more erratic

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