Scientific American.com

A small study helps explain why some people taking Wegovy and similar weight-loss drugs cut back on alcohol, offering insight into potential new addiction therapies

Ahead of Jared Isaacman’s renomination for the position of NASA’s administrator, a dispute between him and its acting chief Sean Duffy spilled into the open, with potentially profound consequences for the U.S. space agency

Archaeologists have uncovered evidence of a ritual-based site that may have been built long before the rise of Maya rulers

Limited COVID surveillance data are hampering vaccination and health strategies, researchers say

A cosmic explosion known as GRB 250702B is by far the longest gamma-ray burst astronomers have ever seen—if it’s even one at all

Avoidant/restrictive food intake disorder, or ARFID, can cause malnutrition and weight loss in children and adults even when body image is not a factor

Why saying no is harder than it should be.

In a world first, a bespoke gene-editing therapy benefited one child. Now researchers plan to launch a clinical trial of the approach

Debris from Comet Encke creates two annual meteor showers, but it might also pose a small risk to Earth. Scientists are investigating

Hurricane Melissa’s rare intensity and lasting impact reveal how storms are evolving in a warming world.

A meeting of the Pan American Health Organization this week will address the resurgence of measles in the Americas

An orca pod has been spotted for the first time repeatedly targeting and flipping young great white sharks onto their backs to paralyze and dismember them

A personal experiment with the artificial intelligence music platform Suno’s latest model echoes a new preprint study. Most listeners can’t tell AI music from the real thing, but emotional resonance still demands a human story

A new study adds to the evidence that viral infections during pregnancy might contribute to a child’s likelihood of having autism

Humans have been in space onboard the ISS continuously for 25 years. As the station nears its end, new commercial habitats are lining up to take its place

A large new study reveals how early relationships with parents and friends influence how we relate to those closest to us in adulthood

Horror movie composers use musical tricks to hijack your nervous system and put you on edge

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is hiding it from Earth

Huge eruptions from the Milky Way’s supermassive black hole in the distant past may have sterilized much of the inner galaxy

Faced with her son’s struggle with dyslexia, one mom built an AI platform to help kids learn their own way