
How to Decode a Hurricane Forecast
Hurricane forecasts feature a “cone of uncertainty,” but what is it actually showing? Scientific American breaks it down for you
How to Decode a Hurricane Forecast
Hurricane forecasts feature a “cone of uncertainty,” but what is it actually showing? Scientific American breaks it down for you
Texas’s Measles Outbreak Is Over, but the Disease Is Still a Threat
The Universe Is Static. No, Expanding! Wait, Slowing? Oh, Accelerating
Can Writing Math Proofs Teach AI to Reason Like Humans?
Spellements: Thursday, August 21, 2025
Controversial Quantum-Computing Paper Gets a Hefty Correction
Hurricane Science Has a Lot of Jargon—Here’s What It All Means
Second U.S. Malaria Case Not Tied to Travel Raises Fears of Local Transmission
These Tiny Disks Will Sail on Sunlight into Earth’s Mysterious ‘Ignorosphere’
One Year after Scientific American’s First Issue, the Solar System Grew by a Planet
180 Years of Standing Up for Science
Jigsaws: SciAm Cover Art
Wordology: Terms from the Archive
Can Peanut Allergies Be Cured?
What Happens When an Entire Generation of Scientists Changes Its Mind
Create as many words as you can!
Stretch your math muscles with these puzzles.
The Secret to the Strongest Force in the Universe
Why Aren’t We Made of Antimatter?
Chikungunya Outbreak, Glacial Outbursts and a New Human Ancestor
Sam Kean’s New Book Dinner with King Tut Explores the Wild World of Experimental Archaeology
This Hormone-Free Pill Could Finally Expand Birth Control Options for Men
What Happens When an Entire Generation of Scientists Changes Its Mind
Total reversals in scientific thinking are rare—but earth-shattering
The Universe Is Static. No, Expanding! Wait, Slowing? Oh, Accelerating
The universe has a habit of disproving “unassailable” facts
Here’s Why Rabbits Are Sprouting Tentacle Horns
Rabbits spotted with hornlike growths on their face in northern Colorado are doing better than they look
How Your Brain’s Nightly Cleanse Keeps It Healthy
Washing waste from the brain is an essential function of sleep—and it could help ward off dementia
Math Breakthroughs from Behind Bars
People in prisons and jails have contributed to some of the greatest ideas in mathematics
NASA’s James Webb Space Telescope Discovers New Moon of Uranus
Using the powerful James Webb Space Telescope, scientists have spotted a moon nestled near Uranus’s rings that’s so small you could walk around it