New Research

The eruption at Zavaritskii volcano created a nearly two-mile-wide caldera with layers of red, black and white from previous eruptive deposits.

Scientists Find the Mysterious Source of the Massive 1831 Volcanic Eruption That Cooled Earth and Made the Sun Appear Blue

The climate-altering eruption came from the Zavaritskii volcano on an uninhabited island in the Pacific that once hosted a Soviet submarine base, according to a new study

At the same time as the Romans were building the Colosseum, they were also breathing in high amounts of toxic lead from silver mining and smelting operations.

Ancient Romans Breathed in Enough Lead to Lower Their IQs, Study Finds. Did That Toxin Contribute to the Empire’s Fall?

Using Arctic ice core samples, researchers estimate silver mining and smelting released enough lead during the Pax Romana to cause a 2.5- to 3-point drop in IQ

The U.S. surgeon general wants updated warning labels on alcoholic beverages that highlight the increased risk of cancer tied to drinking alcohol.

Alcohol Consumption Raises the Risk of Seven Cancers, Says U.S. Surgeon General in a New Health Advisory

The "Nation's Doctor" has called for a cancer warning label on alcoholic beverages and suggests the recommended limits for alcohol consumption should be reassessed

Imperial Geyser is one of the many hydrothermal features that draw visitors to Yellowstone National Park.

Will Yellowstone Erupt Soon? Scientists Are Using New Techniques to Find Out

Using magnetotellurics, researchers produced a detailed picture of the magma beneath Yellowstone, offering insights into a distant future of possible volcanic activity

A young chimpanzee looks on during an outing to an island in the Douala-Edea National Park in Cameroon, on December 15, 2024.

From Chimps Eating Medicinal Plants to Footprints Tracking Our Early Relatives, Here Are the Most Significant Human Evolution Discoveries of 2024

Smithsonian paleoanthropologists explore how the year brought us closer to understanding ancient human relatives and origins

A cast of a Neanderthal skull at the Chemnitz State Museum of Archaeology in Germany. New research delves into when humans and Neanderthals interbred.

Researchers Track Down When Neanderthals and Early Modern Humans Interbred Using Ancient Genomes

Two studies came to a similar conclusion, highlighting a single, sustained event of mixing DNA. The findings could impact our understanding of when modern humans reached regions like East Asia and Australia

Researchers calculated that the human brain processes thought at a speed of ten bits per second.

The Speed of Human Thought Is Far Slower Than the Average Wi-Fi, Study Suggests

But the rate that we gather sensory data is 100 million times faster than our thought processes, making our brains champions at filtering information from our chaotic surroundings

Southern sea otters are making a comeback along the coast of California—and they're chowing down on invasive European green crabs.

Hungry Sea Otters Are Taking a Bite Out of California's Invasive Crab Problem, New Study Finds

Researchers estimate southern sea otters eat up to 120,000 European green crabs per year at the Elkhorn Slough National Estuarine Research Reserve

From these upper hip bones, researchers extracted an ancient genome of the bacteria that causes syphilis.

Ancient DNA Offers Crucial Hints to the Origin of Syphilis, a Decades-Long Mystery That Has Divided Scientists

Researchers found evidence that early versions of syphilis-causing bacteria existed in the Americas long before the arrival of Columbus

Stonehenge is located on Salisbury Plain in southern England.

Ancient Britons May Have Built Stonehenge to Symbolize Unity

The monument was built during a period of immigration from mainland Europe, and it may been intended to unify communities across the British Isles

One in ten southern right whales lives past the age of 131, new research suggests.

Some Whales Live Much Longer Than Previously Thought, a Discovery That Could Change How We Protect Them

In a new study, researchers use novel techniques to uncover more accurate life expectancy estimates of southern and North Atlantic right whales

The Amazon tree boa (Corallus hortulana) is not a new species, but it's one of the reptiles documented on a 2022 expedition to the Alto Mayo region of Peru.

Expedition Discovers 27 New Species in Peru, From an ‘Exceedingly Rare’ Amphibious Mouse to a Blob-Headed Fish

The hidden creatures were found in a densely populated region known for its successful—and controversial—conservation tactics

Researchers made replicas of Neolithic clay trays and baked their own focaccia bread.

Scientists Say Bakers Were Making an Early Version of Focaccia Bread 9,000 Years Ago

New research suggests that Neolithic communities living in the Middle East experimented with recipes and baked large flatbreads between 7000 and 5000 B.C.E.

Researchers looked at brain scan data and results from blood tests to search for correlation between certain proteins and brain aging.

Researchers Find 13 Proteins in the Blood That Are Seemingly Linked to Brain Aging

Though experts say more work is needed to understand the findings, this line of study might offer a way to monitor age-related cognitive disorders and target treatment

A California ground squirrel carries a vole in its mouth after hunting the rodent.

Squirrels Are Displaying 'Widespread Carnivorous Behavior' for the First Time in a California Park, New Study Finds

The familiar rodents, known for eating nuts and seeds, have been spotted hunting and decapitating voles in a gruesome dietary adaptation. Scientists say it might signal resiliency in face of future environmental pressures

During a systematic metal detector survey in southern Arizona, Deni Seymour unearthed a 16th-century cannon likely left behind by Spanish conquistadors.

These 500-Year-Old Cannons May Help Unravel the Mysteries of the Coronado Expedition

The 16th-century artifacts were found during excavations in Arizona. Researchers say they may be the oldest firearms ever discovered in the continental United States

The silver amulet contained a thin foil scroll.

Archaeologists Say This Tiny Amulet Is the Oldest Evidence of Christianity Found North of the Alps

Discovered in central Germany, the 1,800-year-old silver artifact held a tiny scroll, which researchers have now deciphered using high-resolution scans

Happiness "lights up" similar areas on both modern and ancient body maps, with the exception of the liver, which was more significant for the ancient Mesopotamians.

Ancient Texts Reveal How Mesopotamians Felt Emotions—From Happiness in the Liver to Anger in the Feet

Researchers found that ancient Mesopotamians associated body parts with emotions, just as we do—but they discovered some hilarious differences

A solar flare erupts from the sun on June 20, 2013, seen at the left of the image.

Superflares Erupt From Sun-Like Stars Roughly Every 100 Years, a New Study Finds. Is Our Sun Overdue for a Massive Blast?

Solar flares and coronal mass ejections could cause serious damage to telecommunications systems, satellites and power grids here on Earth

A representation of the evolution of the universe over 13.77 billion years.

James Webb Telescope Confirms the Universe Is Expanding Faster Than We Thought—and Scientists Still Don’t Know Why

The findings suggest that astronomers’ widely accepted cosmology models might be missing something—meaning the longstanding mystery known as the “Hubble tension” continues

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