Scientific American Content: Global

Low vaccination rates and undetected infections are driving the measles outbreak in West Texas

OSHA webpages removed for containing the word "diversity" had no relation to gender or racial diversity

The sounds we make during emotional moments or when experiencing pain may not be arbitrary

An explanation of the science behind news fatigue, plus expert advice to take control and protect your well-being while staying engaged

A federal commission to examine U.S. chronic disease could undercut real treatment for kids with depression, ADHD and other mental health challenges

With radio and infrared telescopes, astronomers can pierce the dusty veil of our galaxy and map its farthest reaches

Humans have a surprising lack of hair for mammals. Biological anthropology may provide insights into why the hair we have sometimes comes out curly.

The Trump administration has acted fast to attack science with a range of funding and policy tactics

At an emotional meeting, NSF officials announced layoffs for about 10 percent of their workforce and warned of more firings to come

With its ‘topological’ quantum computers, Microsoft aims to reach useful scales faster than competing technologies

A rare and deliberate signal between a mother chimpanzee and her daughter raises new questions about ape communication, culture and the meaning of sharing a language

Asteroid 2024 YR4’s risk of hitting Earth is shifting with new data, astronomers say

After firing 200 first-year employees this weekend, FEMA was directed "to make a list" of anyone who worked on climate or equity

Space scientists within NASA and outside it feel betrayed by the Trump administration’s changes at the agency, which was known for promoting inclusion in science

Proposed U.S. space defenses against hypersonic nuclear missiles are unnecessary, impractical and would trigger a dangerous new arms race

Bird flu headlines include three new human cases, millions of dead birds in poultry flocks and new personnel moves from the Trump administration

Journalist Carl Zimmer chats about aerobiology and his new book Air-Borne: The Hidden History of the Life We Breathe.

America's status as a global science leader is in doubt as the administration freezes funding and targets research that references climate or diversity

Writers, artists, photographers and researchers share the stories behind the stories

Decode the clues from a broken calculator in this math puzzle

Play this crossword inspired by the March 2025 issue of Scientific American

What happens in your mind when insight strikes?

Science in meter and verse

The U.S. will need more than one million STEM workers in the next 10 years to stay competitive. Immigrants are critical to that future

Halophytes that thrive in increasingly saline soils could help feed people and livestock

Astronomers search for missing planets, a salty food movement takes hold, and it may be time to redefine the second

Color blindness; the end of fire

New atomic clocks are more accurate than those used to define the second, suggesting the definition might need to change

People are surprisingly bad at guessing knot strength, a study found

Letters to the editors for the November 2024 issue of Scientific American

White-throated Sparrows demonstrate that traits we usually associate with sex can be influenced by genes that are not on sex chromosomes

Using crutches for months is largely a thing of the past. Early weight-bearing has real benefits

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy

These novel treatments help people with depression and anxiety find joy in life

Physicists are finding new ways to model false vacuum decay, a terrifying, albeit remote, cosmic endgame

Norovirus infection rates are extremely high this year, raising the question: Why can’t a vaccine protect us from the stomach bug?

There is nothing wrong with quieter, introverted kids. Recognizing what makes them tick can help them confidently navigate an extroverted world

The Internet’s vast cat resources help researchers chart cat eye evolution

Delays in CDC analyses of infectious disease threats and agency silence will harm Americans, doctors and public health experts warn

The right kind of silence can be golden, revitalizing and strengthening a relationship

The Department of Energy, Forest Service and Office of Personnel Management are among agencies that have begun firing staffers

Interrupting signals exchanged between tumors and the nervous system could become a critical pillar of cancer care

When men suffer social isolation, women may pay the price, too

Materials scientists have found a way to perfectly cook an egg white and egg yolk simultaneously

New research on microplastics in brains reminds us that while scientists compile safety data, our leaders should still act

It’s neither fast nor food, but a spectacular object called HH 30 looks appetizing for astronomers in a new image from the James Webb Space Telescope

Valentine’s Day often focuses on romance, but deep friendships deserve love, too. Here’s why they matter.

Multiple-study analysis looks at why men’s emotional intimacy is much more difficult outside of romantic relationships

Robert F. Kennedy, Jr., has expressed support for some fields of science but has also declared he’d like a “break” in infectious-disease research. Here’s what he might do as the U.S.’s newly confirmed secretary of health and human services

Up to 50 transplant patients will receive a genetically modified pig kidney in a clinical trial that will launch this summer