MedicineAugust 10, 2025
Did Disease Defeat Napoleon?
Napoleon's campaign against the Russian Empire was one of the most costly wars in history. Many soldiers died of diseases. Some of these illnesses are only now being identified
Scientific American
MathematicsAugust 7, 2025
Students Find Hidden Fibonacci Sequence in Classic Probability Puzzle
AstronomyAugust 7, 2025
Can Astronomers and Satellite Operators Learn to Share the Sky?
AstronomyAugust 7, 2025
Our Nearest Sunlike Star Might Have a Planet, JWST Shows in Stunning Finding
GamesAugust 10, 2025
Cover Art Jigsaw: June 1952
Materials ScienceAugust 8, 2025
Nature-Inspired Gel Explains Why This Duck Is Stuck
Quantum PhysicsAugust 8, 2025
Physicists Can't Agree on What Quantum Mechanics Says about Reality
FoodAugust 8, 2025
This Mushroom’s Incredibly Bitter Taste Is New to Science
The UniverseAugust 8, 2025
Echoes of Light Illuminate the Cosmos
Celebrating 180 Years of Scientific American
PolicySeptember 1, 2020
How an Article about the H-Bomb Landed Scientific American in the Middle of the Red Scare
PolicySeptember 1, 2020
Reckoning with Our Mistakes
GamingJuly 30, 2025
Jigsaws: SciAm Cover Art
CultureMarch 6, 2014
Evolution of the Scientific American Logo
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Games
Spellements
Create as many words as you can!
Math Puzzles
Stretch your math muscles with these puzzles.
All Games
Science inspired games, puzzles and quizzes
Special Edition
Particle Physics
The Secret to the Strongest Force in the Universe
Particle Physics
Why Aren’t We Made of Antimatter?
Podcasts
Space ExplorationAugust 6, 2025
NASA Faces Deep Budget Cuts—Every Living Former Science Chief of the Agency Is Sounding the Alarm
The EnvironmentAugust 4, 2025
Russia’s Earthquake, Wonders of Walking and Plant Genetics
Artificial IntelligenceAugust 1, 2025
Claude 4 Chatbot Raises Questions about AI Consciousness
WeatherJuly 30, 2025
This Summer’s Extreme Weather Explained: Flash Floods and Corn Sweat
Popular Stories
Quantum PhysicsAugust 8, 2025
Physicists Can't Agree on What Quantum Mechanics Says about Reality
A survey of more than 1,000 physicists finds deep disagreements in what quantum theories mean in the real world
ConsciousnessAugust 6, 2025
How to Detect Consciousness in People, Animals and Maybe Even AI
Insights from human brains could inform how scientists search for awareness in all its possible forms
ReproductionJuly 22, 2025
First Hormone-Free Male Birth Control Pill Shown Safe in Early Human Trial
A hormone-free pill, called YCT-529, that temporarily stops sperm production by blocking a vitamin A metabolite has just concluded its first safety trial in humans, getting a step closer to increasing male contraceptive options
MathematicsAugust 4, 2025
Some Mathematicians Don’t Believe in Infinity
Can “finitism” possibly describe the real world?
MathematicsAugust 4, 2025
How Teen Mathematician Hannah Cairo Disproved a Major Mathematical Wave Conjecture
When she was just 17 years old, Hannah Cairo disproved the Mizohata-Takeuchi conjecture, breaking a four-decade-old mathematical assumption
Climate ChangeAugust 5, 2025
Terracotta Is a 3,000-Year-Old Solution to Fighting Extreme Heat
Companies are adapting this humble clay-based ceramic to keep people cool—without electricity