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New Research

Time passes by faster on Mars than on Earth.

How to Keep Time on Mars: Clocks on the Red Planet Would Tick a Bit Differently Than Those on Earth

On average, Martian time ticks roughly 477 millionths of a second faster than terrestrial clocks per Earth day. But the Red Planet’s elongated orbit causes the time difference to vary as Mars travels around the sun

Elihu Vedder's 19th-century painting "Star of Bethlehem"

The Bible’s Star of Bethlehem May Have Been a Comet, Analysis of Ancient Records Suggests

An odd star brightened for more than 70 days in 5 B.C.E., according to a Chinese text. The object may have been a comet that looked like it rose, then stood still over Bethlehem

The researchers based their conclusions on an intact ancient construction site found at Pompeii.

New Research

This Ancient Construction Site in the Ruins of Pompeii Is Revealing New Secrets About the 2,000-Year-Old Recipe for Roman Concrete

New research suggests the Romans used a method known as “hot mixing” to produce self-healing concrete, which allowed them to build structures that endured for centuries

A new study hints that Australia's first people arrived via a major northern route and a smaller southern route. 

Modern Humans Reached Australia Around 60,000 Years Ago via Two Routes, Genetic Analysis Suggests

The study bolsters one hypothesis of when people arrived at the landmass that became Australia and other islands, and presents some of the earliest evidence of seafaring

Panel one of the Ketton mosaic, which was discovered in 2020 by a farmer's son

New Research

Historians Say This Rare Mosaic Found on a British Farm Depicts Scenes From a Long-Lost Account of the Trojan War

New research suggests that the illustrations may have been based on “Phrygians,” a tragedy by the Athenian playwright Aeschylus, rather than the “Iliad”

Excess weight can harm a cat's quality of life and exacerbate health conditions.

Can GLP-1s Help Fat Cats Lose Weight? The First Clinical Trial Testing the Drugs for Weight Loss in Felines Has Begun

San Francisco-based pharmaceutical company OKAVA is investigating an implant that slowly releases a GLP-1 medication for up to six months

Gas stoves are responsible for more than half of some Americans’ total exposure to toxic nitrogen dioxide, a new study suggests.

Gas Stoves Are Poisoning Americans by Releasing Toxic Fumes Associated With Asthma and Lung Cancer

In the United States, gas stoves are the main source of indoor nitrogen dioxide—a toxic gas tied to many health problems—according to a new study

Two new studies involving thousands of participants examined how chatbots can influence political beliefs.

Can Chatting With an A.I. Bot Shift Our Political Beliefs?

New research suggests that chatbots have a greater sway on policy issues than video ads, and that spouting the most information—even if wrong—is the most persuasive strategy

The study inventoried thousands of mollusks, worms, crustaceans and other small marine creatures. 

Deep-Sea Mining Test in the Pacific Drastically Reduced Biodiversity and Animal Populations

The Metals Company wants to be the first firm to commercially mine the seafloor. The study it funded suggests that mining vehicles harm creatures in the machines’ paths

The pits are evenly spaced around a large circle.

Archaeologists Are Unraveling the Mysteries Behind Deep Pits Found Near Stonehenge

Based on a comprehensive study, researchers are now convinced the shafts were human-made, likely dug during the Late Neolithic period, roughly 4,000 years ago

An illustration of ancient sea cows

A Trove of Sea Cow Fossils in Qatar Reveals a New Species That Munched on Seagrass 21 Million Years Ago

The findings suggest that sea cows have been engineering ecosystems in the Persian Gulf for tens of millions of years

Research indicates that coral reefs have been tuning Earth's cycles for hundreds of millions of years. 

For More Than 250 Million Years, Coral Reefs Have Had a Major Influence on Earth’s Changing Climate

The planet has been flipping between two main modes of carbon recovery depending on the state of coral reefs, new research suggests

In a new study, 79 percent of black-spotted pond frogs successfully consumed the northern giant hornet.

‘Murder Hornets’ Might Strike Terror in Humans, but These Frogs Can Eat Them for Lunch

Watch a pond frog effortlessly devour the northern giant hornet, the largest hornet in the world, while sustaining stings that are deadly to many animals

An international team of archaeologists from Italy, Spain and Tunisia has been excavating Henchir el Begar since 2023.

Cool Finds

Archaeologists Discover Ancient Roman Olive Oil Production Facilities in North Africa

Located in western Tunisia, the plants operated between the third and sixth centuries and likely helped supply precious olive oil to Rome

Adult male magnificent riflebirds have ultrablack feathers covering most of their bodies.

Inspired by Bird Feathers, This New ‘Ultrablack’ Fabric Absorbs Nearly All the Light That Hits It

Researchers took inspiration from the magnificent riflebird while developing a textile that reflects only about 0.13 percent of visible light, making it the darkest fabric ever reported

A microscope image of HIV particles, in red, replicating from an infected cell, in blue.

A New Trial Put Immune System-Boosting Therapies to the Test to Fight HIV, Raising Hopes for Keeping the Virus at Bay

In the small study, seven out of ten participants maintained low levels of HIV for several months after receiving the experimental treatment and stopping their usual daily medications

Earth’s magnetic field surrounds the planet, with illustrated field lines emerging from the north, in orange, and looping around to the south, in blue.

A Weak Spot in Earth’s Magnetic Field Is Growing, but Scientists Say Not to Worry. Here’s a Look at What Shields Us From Space Weather

Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t pose a threat to life

Harappa was one of the large cities created by the Indus Valley civilization.

Why Did This Advanced Ancient Civilization Collapse? New Research Suggests Climate Change Played a Role

The Indus Valley civilization, located in present-day Pakistan and India, went through four periods of intense drought, which may have led to the society’s demise

Researcher Carolyn Boyd examines a Pecos River style pictograph in Seminole Canyon State Park and Historic Site.  

New Research

Researchers Discover the Shocking Age of the Mysterious Pecos River Rock Art

The murals were painted on limestone canyon walls, in the same style, over the span of four millennia

A shell trumpet found in Catalonia

New Research

Archaeologists Say These Conch Shells May Have Been Used as Early Musical Instruments 6,000 Years Ago

New research suggests that a collection of conch shells unearthed in Spain may have once produced melodies, in addition to enabling communication across long distances

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