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A gray wolf in California.

A Gray Wolf Visited Los Angeles County for the First Time in a Century, Marking a Major Milestone in the Species’ Recovery

The 3-year-old female wolf, called BEY03F, is probably looking for a mate

The particle collider smashes together atomic nuclei—comprised of particles called protons and neutrons—to break them into their smaller components.

The U.S.’s Only Particle Collider Recreated Moments From the Early Universe. Now, It Has Closed—to Make Way for a New Instrument

The end of the facility’s 25-year run is “bittersweet”

The study involved nearly 132,000 participants whose habits were tracked for roughly 40 years.

Your Daily Coffee Might Be Protecting Your Brain From Dementia, a New Study Suggests

Two to three caffeinated cups a day may help keep the cognitive condition away

Wetlands like South Sudan's Sudd swamp saw more rainfall in 2020 due to the La Niña climate event, which caused more methane to enter the atmosphere.

When Human Activity Dropped During Covid-19, Methane Levels Surprisingly Spiked. Now, a Study Points to Two Reasons Why

In a paradox of air pollution, a decrease in man-made pollutants led to more methane in our atmosphere. And natural wetlands released more of the planet-warming gas at the same time

Chris Buck at work in a kitchen lab

This Scientist Brewed and Drank His Own ‘Vaccine Beer’ to Combat a Dangerous Virus. It Seems to Have Worked

Blood tests revealed that the beverage elicited an immune response, according to preliminary research. But far more safety and efficacy testing would be needed before this vaccine could become available

HPV testing is crucial for cervical cancer prevention, but many people miss their exams. 

Testing Menstrual Blood for HPV Might Provide a Less Invasive Way to Screen for Cervical Cancer, a New Study Suggests

While the method shows promise, some experts say that other self-collection devices are more readily available

Larvae of the European black oil beetle, which are orange, ride bees to their nests and then chow down on bee eggs.

These Parasitic Beetles Mimic the Smell of Flowers So They Can Trick Bees and Raid Their Nests, New Research Suggests

They might be the first animals known to fake a floral scent

Lab-made cosmic dust on a chip

Physicists Create Homemade Cosmic Dust, Which Could Help Them Figure Out How the Building Blocks of Life First Reached Earth

Cosmic dust normally comes from dying stars. The recipe for a lab-made version includes a few gases, vacuum tubes and electricity

An artist's impression of an asteroid

An Asteroid Might Slam Into the Moon in 2032—and Create a Fiery Flash That’s Visible to Earthlings, New Research Suggests

Currently, NASA estimates that asteroid 2024 YR4 has a 4.3 percent chance of hitting our lunar companion

A giant phantom jelly documented by a recent deep-sea expedition

See a Rare, Bus-Size Giant Phantom Jelly Wade Through Ocean Waters Off the Coast of Argentina

A recent deep-sea expedition along the country’s entire length documented the jellyfish, along with a surprising number of other species

Stoats, also often known as ermines, are carnivorous mammals in the weasel family. Two stoats are the mascots of the 2026 Winter Olympics in Italy.

What Is a Stoat? Learn Five Fun Facts About the Adorable Weasels Chosen as the Olympic Mascots

Milo and Tina, a pair of sibling stoats, are representing this year’s winter games in Italy

A small underwater lens made a coral in Indonesia look like another common lifeform.

See the Beauty of Corals, Beehives, Mushrooms and More in These 11 Images From the Close-Up Photographer of the Year Awards

Now in its seventh year, the competition honors macro, micro and close-up images snapped around the world

New life may have evolved surprisingly fast after a famous mass extinction event about 66 million years ago.

After the Dinosaur-Killing Asteroid Wrecked the Planet, Life May Have Bounced Back Surprisingly Fast

The steady rate of falling space dust helped researchers recalibrate the timeline

The new map revealed tens of thousands of previously undiscovered landforms.

What’s Buried Beneath Antarctica’s Ice? A New Map Unveils the Continent’s Hidden Landscape Like Never Before

A better understanding of the bedrock can help researchers calculate how quickly the continent’s melting glaciers might affect sea-level rise

The updated measurements won't take away Jupiter's status as the solar system's biggest planet.

Scientists Say That Jupiter—the Solar System’s Largest Planet—Might Be Slightly Smaller Than Previously Thought

Updated measurements from NASA’s Juno spacecraft could help researchers better understand the planet’s mysterious interior, as well as other gas giants

After exposing an ant to the air pollutant ozone, its nestmates acted aggressively toward it.

Air Pollution Can Cause Some Ants to Turn on One Another—and Neglect Their Young, New Research Suggests

The findings further hint that air pollution, particularly ozone, is contributing to the “insect apocalypse”

Tobacco smoking and alcohol consumption were responsible for 15 percent and 3 percent of all cancer cases diagnosed in 2022, a new study suggests.

Nearly Four in Ten New Cancer Cases Might Be Preventable, According to the World Health Organization

A landmark global study suggests that tobacco smoking, infection and alcohol consumption are the leading causes of preventable cancers

A polar bear cub walks along the ice in Svalbard, Norway.

See 24 Astounding Images From the Wildlife Photographer of the Year Contest—and Vote for Your Favorite

The public will choose the winner of the People’s Choice award in a vote that runs from February 4 to March 18

The JADES-ID1 protocluster

Astronomers Spot a Huge Cluster of Galaxies Forming Earlier in Cosmic History Than Thought Possible

The young galaxy cluster existed about 12.8 billion years ago and has an estimated mass 20 trillion times that of the sun

Though still in early stages, some experts say that A.I.-supported screenings could help save patients' health, time and money.

A.I. Could Help Doctors Spot Hard-to-Detect Signs of Breast Cancer During Routine Screenings, a Clinical Trial Suggests

Standard testing can miss some tumors, which are later diagnosed and called interval cancers. They’re often more aggressive than screening-detected disease

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