Skip to main content

Subscribe to Smithsonian magazine and get a FREE tote.

Minerals

Archaeologists think the green minerals found in the cave might be malachite, which is treated and processed to make copper.

New Research

Mysterious Green Rocks Discovered in a Remote Cave in Spain Might Be Signs of Prehistoric People Working With Copper

The find challenges assumptions that people in the region thousands of years ago did not spend much time at high altitudes

Grand Canyon National Park welcomes more than four million visitors per year.

Scientists Still Don’t Know How or When the Grand Canyon Formed. New Research May Hint at Its Ancient Origins

Researchers say the ancestral Colorado River formed an ancient lake in northern Arizona roughly 6.6 million years ago, which spilled out westward onto the landscape that would eventually become the Grand Canyon

Researchers dubbed one experiment involving a roughly one-foot-tall crystal "The Monolith" in honor of Stanley Kubrick's iconic film 2001: A Space Odyssey.

Chimps Seem to Love Crystals. Their Attraction Might Help Explain Humans’ Obsession With the Shimmering Stones

Hominins have been collecting calcite and quartz for at least 780,000 years. A new study hints at why

Archaeologists discovered the bottle while excavating Alta's historic Water Street, which was a bustling thoroughfare during the town's silver mining heyday.

Cool Finds

What Does This 150-Year-Old Bottle of Mystery Booze Taste Like? Fruity, With a Hint of Leather

Experts in Utah recently sipped the murky liquid, which was found during excavations at a historic ski area

A magnified view of tiny specks of blue residue found on a Paleolithic stone artifact

Cool Finds

These Archaeologists Set Out in Search of Animal Fat. Instead, They Found the Oldest Blue Pigment Ever Discovered in Europe

Blue residue on a 13,000-year-old stone artifact, long believed to be an oil lamp, may paint a new picture of Paleolithic art and culture

New research suggests that the Salmon River in northwest Alaska is full of toxic metals.

Why Is This Remote and Rugged River in Alaska Turning Orange?

New research suggests the Salmon River is full of toxic metals that are likely harming fish and other aquatic creatures

Unknown thieves stole native gold from the French National Museum of Natural History's geology and mineralogy gallery, which is closed until further notice.

Rare Gold Nuggets Worth $700,000 Stolen From Paris’ Natural History Museum in Brazen Heist

Discovered in their pure metallic form, the specimens were taken by “an extremely professional team,” the museum’s director said

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

Discovered in Niger in 2023, NWA 16788 weighs 54 pounds.

The Largest Martian Meteorite in the World Is Heading to Auction and Could Sell for $4 Million

Discovered in Niger in 2023, the rare chunk weighs 54 pounds and represents more than 6 percent of all Mars material on Earth

Built in 1855 in the Gothic Revival style, the Smithsonian Castle is undergoing its first major renovation since the late 1960s.

Bricks From a Historic Atlantic City Church Are Getting a Second Life at the Smithsonian Castle

The First Presbyterian Church’s rare sandstone bricks will be transported to Washington, D.C., where they’ll be used to restore a 170-year-old Smithsonian building on the National Mall

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

Researchers used a miniaturized laser mass spectrometer to identify signs of fossils in a gypsum quarry in Algeria. They suggest the same tool could find early fossils on Mars.

Scientists Hope This Tool Could Identify Tiny Fossils on Mars, Revealing Hints to Potential Early Life on the Planet

If Mars ever hosted microorganisms in its bygone oceans, their fossils might still be preserved in minerals—and now, we have a new potential way to find them

Ice calves off the Breidamerkurjokull, a glacier in Iceland. Some scientists suggest prehistoric glaciers hold the answers to how life evolved on Earth.

How Enormous Glaciers on the Frozen ‘Snowball Earth’ Might Have Bulldozed the Path to Complex Life on Our Planet

A new study suggests glaciers carved metals out from the Earth’s surface 700 million years ago, leading to chemical reactions in the oceans that set the stage for early animal evolution

Mars, known as the red planet, might have gotten its hue from a different mineral than scientists once thought.

The Red Dust on Mars Might Be a Different Mineral Than Scientists Thought, Shedding Light on the Planet’s Past

A new study suggests the iron oxide responsible for the red planet’s distinctive hue is ferrihydrite, pointing to the bygone presence of water, an important ingredient for life

Parts of the deep Pacific Ocean are covered in metallic lumps known as polymetallic nodules. A study published last year suggested they produce oxygen without sunlight.

Scientists Who Found Mysterious ‘Dark Oxygen’ on the Ocean Floor Plan a New Expedition, Hoping to Settle Disputes

Last year, the team made headlines when it published a paper describing how metal lumps at the bottom of the Pacific Ocean seemed to produce oxygen without sunlight

Russia's Kamchatka Peninsula is known for its extinct and active volcanoes.

New Research

Extinct Volcanoes May Be an Untapped Source of Rare Metals

Unexplored iron-rich magma could help power current and future technologies

This "everlasting" crystal contains the entire human genome, recorded using ultra-fast lasers, and is meant to instruct future species on how to create humans.

In Case Humans Go Extinct, This Memory Crystal Will Store Our Genome for Billions of Years

Scientists have created “a form of information immortality” meant to instruct future species on how to recreate humans. But who, or what, will find it?

When earthquakes squeeze quartz crystals, the mineral generates electricity that attracts gold particles.

How Large Gold Nuggets Form in Quartz Crystals During Earthquakes

Quartz, which can generate electricity, attracts large chunks of gold when stressed and squeezed by seismic shaking, according to a new study

An artist's rendition of a magma ocean on a volcanic planet. Scientists have theorized that our moon was covered in a magma ocean for millions of years after it formed.

Our Moon Was Likely Covered in a Magma Ocean Long Ago, and New Data From India’s Lunar Rover Supports That Theory

Soil composition measurements from the Chandrayaan-3 mission reveal white rock called ferroan anorthosite, which would have floated to the surface in an ocean of magma

Rembrandt van Rijn completed The Night Watch, a group portrait of Amsterdam's local militia, in 1642.

New Research

What Is the Secret Ingredient Behind Rembrandt’s Golden Glow?

Scientists found arsenic sulfide pigments in “The Night Watch,” arguably the artist’s most famous painting

Page 1 of 3