Pure Science

Scientific American

Aging is a complex process that plays out differently across different organs, according to growing evidence

Scientific American

Astronomers think small space rocks from beyond our solar system routinely strike Earth—but proving it isn’t easy

Scientific American

Here’s how the new tetrahedron-based design for the “Trionda” soccer ball may affect next year’s big game

Scientific American

Tens of millions of people are already under heat alerts, and the worst is yet to come

Scientific American

Think: subzero temperatures, bone-rattling storms and mysteries about the future of our planet under the ice.

Scientific American

Hulk Hogan, a larger-than-life wrestler known for his showmanship, succumbed to cardiac arrest after a career marked by digital hoaxes and a landmark battle against online exploitation

Scientific American

A controversial arsenic microbe study unveiled 15 years ago has been retracted. The study’s authors are crying foul

Scientific American

Less than a decade since the first detection of gravitational waves—ripples in spacetime itself—proposed budget cuts threaten to silence this groundbreaking science

Scientific American

When researchers discovered "dark oxygen" last year, the news spread around the world, but the biggest challenge to the science comes from its funders.

Scientific American

Researchers hoped CMB-S4, a $900-million cosmology experiment, would answer one of the greatest questions in physics. Instead it’s become another cautionary tale of pursuing big science amid shrinking budgets

Scientific American

High humidity and low overnight temperatures will put tens of millions of people under heat alerts over the course of the coming week

Scientific American

Physicists superheated gold to 14 times its melting point, disproving a long-standing prediction about the temperature limits of solids

Scientific American

As large language models like Claude 4 express uncertainty about whether they are conscious, researchers race to decode their inner workings, raising profound questions about machine awareness, ethics and the risks of uncontrolled AI...

Scientific American

A study of nearly 1,000 people showed that brain aging was not linked to infection status

Scientific American

Hundreds of staffers at the National Institutes of Health, Environmental Protection Agency, NASA and the National Science Foundation have signed public letters to leadership opposing the direction in which the agencies are headed

Scientific American

If you’re seeking a summer read, Scientific American has some fantastic fiction and notable nonfiction to recommend.

Scientific American

Ozzy Osbourne, lead singer of Black Sabbath, has died at age 76. He had been previously diagnosed with a rare form of Parkinson’s disease called Parkin—named after the gene PRKN

Scientific American

The largest yet study on a four-day workweek included 141 companies, 90 percent of which retained the arrangement at the end of the six-month experiment

Scientific American

My lawsuit in Hawaii lays out the safety issues in OpenAI’s products and how they could irreparably harm both Hawaii and the rest of the U.S.

Scientific American

A declaration of dissent from past and present NASA employees warns that science and safety are at risk and joins similar documents from staff at other federal science agencies

Scientific American

A hormone-free pill, called YCT-529, that temporarily stops sperm production by blocking a vitamin A metabolite has just concluded its first safety trial in humans, getting a step closer to increasing male contraceptive options

Scientific American

Optimists have similar patterns of brain activation when they think about the future—but pessimists are all different from one another, a brain scan study suggests

Scientific American

In only its second year, the International Logic Olympiad is already booming as logic becomes more and more crucial in our ever changing world

Scientific American

Humid heat is blanketing the eastern U.S. this week, exacerbated by “corn sweat” in the Midwest

Scientific American

A SkyWest pilot’s last-second decision could have prevented a collision that air traffic controllers may not have foreseen

Scientific American

Acknowledging the limits of one’s own knowledge could be as important a signal of expertise as credentials and confidence

Scientific American

The Langlands program has inspired and befuddled mathematicians for more than 50 years. A major advance has now opened up new worlds for them to explore

Scientific American

This episode of Science Quickly goes on an archival adventure in Scientific American’s July 1925 issue.

Scientific American

Discover why some puzzles stump supersmart AIs but are easy for humans, what this reveals about the quest for true artificial general intelligence—and why video games are the next frontier

Scientific American

A 72 percent reduction in federal funding is devastating to math research. The American Mathematical Society is offering $1 million in backstop grants—but it’s likely not enough.

Scientific American

It’s certainly possible to consume water sourced from the icy rings of Saturn, but doing so safely may require extra steps

Scientific American

Dropout.tv’s Brennan Lee Mulligan talks about the emotional and cultural importance of Dungeons and Dragons.

Scientific American

Why do computers only work with the numbers 0 and 1? There are machines that process three digits with more efficiency than you might expect

Scientific American

After photographs showed President Donald Trump with swollen ankles and bruised hands, the White House revealed he has chronic venous insufficiency—a blood vessel disease that affects circulation in the legs

Scientific American

The park’s newest hydrothermal feature has an otherworldly milky texture from dissolved silica

Scientific American

Long-awaited results of a three-person IVF technique suggest that mitochondrial donation can prevent babies from inheriting diseases caused by mutant mitochondria

Scientific American

Neuroscientists have found that the brain can wake up in different ways, explaining why some mornings feel like a dream and some feel like a disaster

Scientific American

Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever

Scientific American

Household energy expenses will rise, as will greenhouse gas emissions, as a result of the Trump administration's One Big Beautiful Bill Act

Scientific American

Observations of a baby star may show the earliest stages of planet formation that astronomers have ever seen

Scientific American

New deep-brain-stimulation implants for Parkinson’s disease can listen in on brain waves and adapt to treat symptoms. Can this approach target other conditions?

Scientific American

The LHCb experiment has observed a new difference between matter and antimatter in particles called baryons

Scientific American

China is pulling ahead of the rest of the world in sinking data centers that power AI into the ocean as an alternate way to keep them cool

Scientific American

A neurologist explains why weather changes from heat waves to thunderstorms might bring on painful headaches

Scientific American

After 10 years of gravitational-wave research, the LIGO Lab team at MIT is getting ready for the next generation of detectors.

Scientific American

Social inequality and the decay of democratic institutions are linked to accelerated aging, but education seems to slow the process

Scientific American

The Trump administration wants to reduce the National Oceanic and Atmospheric Administration’s budget by $2.2 billion, eliminating research that might help advance AI weather models

Scientific American

A U.S. gravitational wave detector spotted a collision between fast-spinning ‘forbidden’ black holes that challenge physics models

Scientific American

A person in Arizona recently died of pneumonic plague—a rare and severe form of the disease. An expert explains how the bacteria that spurred the Black Death centuries ago continues to claim lives

Scientific American

Bird flu fears have focused on the poultry and dairy industries and human health. But wild animals are threatened, too—at scales no one fully understands