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A bright light in the dark

The Nobel Prizes remind us how science can unite society and inspire hope for the future

Heal injuries faster with new science

Motion is the new potion, and rest is no longer the best

February 2026: Science history from 50, 100 and 150 years ago

Giant atoms; corpses for science

Readers respond to the October 2025 issue

Letters to the editors for the October 2025 issue of Scientific American

Science crossword: Consciousness carriers

Play this crossword inspired by the February 2026 issue of Scientific American

Which dog breed stereotypes are true? Here’s the science

A large dataset shows some dog stereotypes are based in reality, and others might be unfair characterizations

Your guide to 29 wildly different theories of consciousness

The many, many ways researchers hope to solve the toughest mystery in science

Math puzzle: A winning loser

Pick an unusual winning poker hand in this math puzzle

JWST could finally spot the very first stars in the universe

The James Webb Space Telescope should soon be able to spot the first generation of stars in space

Life’s evil twins—mirror cells—could doom Earth if scientists don’t stop them

Researchers are close to making "reversed" cells that may wipe us off the planet

What is consciousness? Science faces its hardest problem yet

Will brain science deliver answers about consciousness or hit another wall?

How extremophile molds are destroying museum artifacts

Extremophile molds are invading art museums and devouring their collections. Stigma and climate change have fueled their spread

Is AI really conscious—or are we bringing it to life?

In rethinking whether AI is sentient, we are asking bigger questions about cognition, human-machine interaction and even our own consciousness

Can a ‘brain in a vat’ be conscious?

Consciousness researchers studying "islands of awareness" have found that disconnected brains likely sink into a strange form of deep sleep

As the U.S. marks a year of measles outbreaks, is the disease back for good?

The U.S. has held its measles-free status for more than 25 years. Experts say unrelenting outbreaks in the past year may change that