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Earth Science

The white diamond is about the size of a human canine tooth.

Cool Finds

She Spent Three Weeks Digging for a Diamond for Her Engagement Ring—and Unearthed a 2.3-Carat Stunner

When Micherre Fox and her boyfriend decided to get married, she flew to Crater of Diamonds State Park in Arkansas to search for the diamond herself

Stonehenge at sunset. Construction of the iconic stone circle began around 3000 B.C.E. and continued in several phases.

A Neolithic Cow’s Tooth Helps Point to the Mysterious Origins of Stonehenge’s Iconic Stones

Isotope analysis of a molar from a cow’s jawbone found buried at the monument provides details of the life story of the animal—and how it may relate to the construction of Stonehenge

A glacier in Greenland, pictured in June 2025.

24 Billion Gallons of Water Burst Through Greenland’s Ice Sheet From a Hidden Lake in 2014. Scientists Just Pieced Together What Happened

A new study suggests ice sheet meltwater doesn’t always move downward—sometimes, it can erupt

A screenshot from the CCTV footage reveals the moment when the ground moved.

CCTV Footage Captures the First-Ever Video of an Earthquake Fault in Motion, Shining a Rare Light on Seismic Dynamics

A clip recorded in Myanmar in March reveals a curved path of the fault slip, which can help scientists better understand the physics of such events

The ice cores were collected from East Antarctica's Dome C and are now being held in a freezer room at the British Antarctic Survey.

Scientists Will Melt the World’s ‘Oldest Ice’ to Reveal Its Secrets and Uncover a Climate Record of 1.5 Million Years

The ice cores could offer clues about a period known as the Mid-Pleistocene Transition that has long puzzled scientists

The push and pull between the Earth and its moon impacts our planet's rotation.

Today Will Likely Be Shorter Than Usual, and It Will Happen Again in August. Here’s Why

Because of the moon’s position, Earth is rotating just over a millisecond faster than usual on a few days this summer

An artist’s reconstruction of the fossilized landscape, plants and animals found preserved in a remote bonebed of Arizona’s Petrified Forest National Park

A Bone Bed From the Dawn of the Dinosaurs Has Revealed the Oldest Known Pterosaur Found in North America

Fossil surprises abound in new research that unearths the history of the Triassic Period

The view from a research aircraft that scientists use to collect data from high in Earth’s atmosphere.

Scientists Are Just Beginning to Understand How Life Makes Clouds, and Their Discoveries May Drastically Improve Climate Science

Plants, plankton and sea spray all release elements that help the atmospheric blankets form

Studying foraminiferan fossils can help us understand how the climate may change in the future.

These Tiny, Beautiful Fossils Detail the History of the Ocean

Bountiful remains of foraminifera reveal how organisms responded to climate disturbances of the past

A plume of ash and gas rises from Mount Etna on the Italian island of Sicily on Monday. The eruption also featured lava fountains and a pyroclastic flow.

Mount Etna’s Spectacular Monday Eruption Marks the Volcano’s Most Intense Activity in Years

The explosion was the strongest since 2021, expelling ash, dust, lava and a pyroclastic flow, but no injuries or deaths were reported

A research team measured ammonia concentrations from a colony of 60,000 Adélie penguins.

Penguin Poop Helps Drive Cloud Formation Over Antarctica, According to a New Study

The ammonia from Adélie penguin guano reacts with sulfur-containing gases in the atmosphere to aid in forming clouds, which scientists say may be significant to regulating the climate

Geologist Michael Ackerson holds a sample from Canada's Acasta Gneiss formation, home to some of the oldest rocks on the planet.

The Secrets of How Life Began May Be Hidden Inside the World’s Oldest Rocks

Smithsonian researchers trekked to a remote site in northern Canada to collect four-billion-year-old rock samples that could unlock mysteries about Earth’s earliest history

A variety of marine creatures and unique features can be found in the deep sea off Norway, including the dumbo octopus, colorful anemones and venting chimneys.

As Norway Considers Deep-Sea Mining, a Rich History of Ocean Conservation Decisions May Inform How the Country Acts

In the past, scientists, industry and government have worked together in surprising, tense and fruitful ways

Researchers discovered the oldest meteorite impact crater known to science in Australia. 

Oldest Known Impact Crater Discovered in Australia

The discovery bolsters the theory that meteorite impacts played an important role in Earth’s early geological history

Microbes can grow in clouds and even divide in two.

A Brief and Amazing History of Our Search for Life in the Clouds

By collecting samples after climbing a high peak and firing rockets with special traps into the upper atmosphere, scientists have found microbes living in thin air

Scientists suggest finding extraterrestial intelligence is more likely than thought, arguing that complex life is not a cosmic fluke.

Intelligent Life May Be More Likely to Exist on Other Planets Than Previously Thought, Scientists Say

Researchers present an alternative to the long-held “hard steps” theory to explain the evolution of complex life, suggesting it’s the natural outcome of a habitable environment rather than a lucky break

Crater Peak (photographed here on February 7, 2025) is the most likely site of a future Mount Spurr eruption.

‘Volcanic Unrest’ at Alaska’s Mount Spurr Suggests 50-50 Chance an Eruption Could Be Coming

Volcanologists are closely monitoring the 11,070-foot-tall stratovolcano, located roughly 75 miles from Anchorage, after a recent uptick in earthquakes

By studying seismic waves, researchers are revealing more about the mysterious nature of our planet's inner core.

Earth’s Inner Core Is Changing Shape, Study Finds, Indicating Even More Dynamic Shifts Deep Within Our Planet

Seismic wave data previously suggested the Earth’s hot inner core is slowing its spin. Now, researchers say it’s also deforming around the edges

Residents of Summerville have reported sightings of a mysterious glowing light over the town's old railroad tracks. The pictured tracks, while not the "haunted" site, were studied in an effort to determine the source of the 1886 Charleston earthquake.

The ‘Ghost’ Haunting This South Carolina Town Might Have an Earthly Explanation, Scientist Says

In a new research article, a seismologist argues that earthquakes are the reason for the mysterious lights associated with a local urban legend in Summerville

Embers from the Eaton Fire fly down a residential street in Altadena, California, on January 8.

How A.I. Can Help Humans Battle Wildfires, From Advanced Camera Systems to Forecasting Models

A variety of new technologies aim to improve wildfire detection and help map the spread of blazes

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