Scientific American

Are GLP-1s for life? What we know about getting older on weight-loss drugs

Astronomers have a plan to observe an errant piece of a SpaceX rocket as it hits the moon to better understand impact events

In an episode of the cartoon, a machine lets characters swap bodies, but they can’t switch back with the same person. Math helps all the characters return to their original bodies

A new skull-based analysis of Neanderthal brains suggests that these ancient hominins’ range of intelligence largely overlapped with our own

The Arctic Ocean is one of the most extreme environments on Earth, but that’s not stopping this cephalopod

A hormone produced by the thymus helps tamp down age-related inflammation, a new study in mice found

A 23-year-old student overturned an ancient conjecture about one of math’s simplest operations

For the first time ever, astronomers have found two sibling stars that each exploded as a supernova, giving us a new view of these epochal cosmic cataclysms

Finding wildfires before they explode in size could save countless lives each year. Decades of technology development may finally make that possible

What’s the secret to prompting an AI to solve math problems that have left humans stumped? Tell it to believe in itself

These meteor showers occur around the same time every year, with their peaks taking place over four days at the end of July

These findings challenge a long-held belief about weapons found in female burial sites

The “hero’s journey” narrative structure seen in the ancient Greek story can help people make meaning in their own lives

Spoonerisms are among the most well-known speech errors, and for linguists and psychologists they offer a glimpse into how our brains produce speech

More sunlight in the evenings doesn’t always equate to better health

The nation’s first statewide moratorium on new hyperscale facilities gives officials up to one year to work out how to measure their environmental effects amid the AI building boom

Wildfire smoke may be as much as 10 times more dangerous than other forms of air pollution, research suggests

Most adults have levels of a dangerous type of cholesterol that are above 100, but this new drug can reduce levels to around 50

New, never-before-seen images provide a glimpse into the secretive lives of a clouded leopard species found in the dense rainforests of Borneo and Sumatra

Duration, location, aviation: What makes the best possible view of a total solar eclipse?

A controversial new ruling from the Federal Communications Commission leaves no one responsible for regulating light pollution and other ill effects from skyrocketing numbers of satellites

U.S. officials have traced an explosive-diarrhea-causing parasite outbreak in five states to shredded lettuce served at this popular fast-food chain

Alpha-gal syndrome is increasing across the U.S., driven by lone star ticks

A new breakthrough pushes the limits of randomness, bringing a decades-old mathematical mystery closer to resolution

An ancient sample shows calcite threading through this material’s cracks and pores, offering possible lessons for making modern concrete last longer

This climate system is tied to more powerful typhoons, as well as famine and wildfires

Case numbers of this parasite-caused illness have exploded in the last week. An expert explains how to try and stay safe

SpaceX is launching the latest version of its Starship megarocket for a test flight that—if all goes to plan—should look a lot like the last one

Cyclosporiasis case numbers have skyrocketed from several dozen nationwide in June to now more than 1,000 in the state of Michigan alone

The signature of Sak Tahn Waax, or “White-Chested Fox,” was found inscribed in a 1,000-year-old chamber beneath present-day Guatemala

A recent study in the journal Nature carries cosmos-quaking implications for our understanding of the universe—except a new preprint says that it’s wrong

New research identifies five distinct sleep subtypes, revealing links between brain patterns, behavior and health

Erythrulose—a sugar found in raspberries—is also prevalent in a giant molecular cloud close to our galaxy’s core, scientists have discovered

A best-yet measurement of one of general relativity’s most mind-boggling effects is “another feather in Einstein’s cap”

The U.S. Preventive Services Task Force is an independent group that offers guidance on what health screenings and medications health insurance should cover