The U.S. reportedly plans to overhaul the country’s childhood vaccine schedule. The move could set public health back decades, experts say

A novel influenza variant called subclade K appears to be driving an uptick in cases and hospitalizations throughout the U.S. and other countries

Health officials on Thursday announced a slew of measures that seek to restrict access to gender-affirming health care for young transgender people in the U.S.

A look back at 2025’s biggest science stories—from federal upheaval and public health setbacks to climate policy reversals and groundbreaking discoveries in space.

Popular supplements with billions of “good” microbes really help only a few illnesses, research shows

President Donald Trump is expected to sign a defense bill this week that orders an investigation into whether the U.S. military bioengineered Lyme disease

These three disorders could really be “CKM syndrome,” which can be treated with drugs like Ozempic

Whether space, health, technology or environment, here are the issues in science that the editors of Scientific American are focusing on for 2026

Food anxiety can peak during the holidays. Here’s how to manage it and enjoy yourself