Scientific American

The research into how electromagnetic waves and radio frequency radiation influence health has been plagued by low-quality studies

“This is probably going to be the superlative El Niño event of our lives so far,” a climate scientist says

OpenAI’s proof seems eligible for a $1-million prize—but only by using a controversial loophole

With Donald Trump and Xi Jinping set to discuss AI safety, the growing popularity of Chinese open-weight models highlights the limits of developer-controlled safeguards

In parallel, a race by amateurs and mathematicians has found all 25,000 cases of one “inverse Galois problem”

Earth’s annual checkup shows that we’re at increasing risk of moving away from the environment we’re adapted to

If approved, the test could help catch cancers early—but more research is still needed, experts say

The crater, named after geologist and lunar surface expert Tom McGetchin, spans more than two football fields wide

The virus is currently most prevalent in California and the southern U.S., but experts expect it to go national in the coming weeks

Lasting from mid-September until mid-November, the Taurid meteor showers are among the longest of the year

2025 was a brutal year of budget cuts and workforce attrition at NASA’s Goddard Space Flight Center, the home base for the Nancy Grace Roman Space Telescope. Experts worry Goddard—and NASA’s space science—may never recover

The cat is smaller than a house cat but has the spots of a leopard

The quadrupedal machine finished the course in a solid four hours, 19 minutes and 52 seconds—and on just one battery charge

The president also said artificial intelligence should be rebranded as “super intelligence”

A new study found that one in four professional football players who died between 2016 and 2021 had CTE—a degenerative brain disease—but what about children who play these sports?

Is it possible to optimize our poop?

The Parthenon sits atop a platform that is curved into a subtle hill shape that some say makes the structure appear straighter—but is that true?

Advocates and scientists warn that giving political appointees power over research grants would “upend” U.S. science

From orbital weapons to AI risks and weaker emissions rules

OpenAI’s claimed proof of the Navier-Stokes problem is a mathematical tour de force, but any real-world applications may be years away—if they ever arrive at all

Understanding how human language evolved is one of the hardest problems in science to unpick

The human brain uses about the same amount of wattage as a lightbulb

The space telescope is set to reveal thousands of new exoplanets and scour the universe for signs of dark matter and energy

The dinosaurs were once considered reptilian, but the new results suggest we may need to rethink their evolution

A high-ranking official announced yesterday that the U.S. military has deployed weapons into orbit to counter threats from Russia and China

The National Weather Service is speeding ahead with changing the name of the Great Lake

Our understanding of consciousness could be fundamentally wrong

After months of headaches and visual hallucinations, a woman was finally revealed to have brain cysts filled with tapeworm larvae

Science is helping to peel back the layers of how dogs process the world around them

A new declaration from winners of the Fields Medal reflects many mathematicians’ growing alarm over a “severe misalignment” between the tech industry and their field a week after AI toppled one of math’s biggest open problems

Don’t have the energy to catch your own meal? This dolphin has a gross solution

More than 100,000 people in the country are over 100 years old

A new report from Google, Google DeepMind and M.I.T. finds that researchers are using AI—a lot. It’s just not helping as much in the lab

A search for the most complex elliptic curves has taken mathematicians years. Claude beat the record in days