
Repeated Heat Waves Can Age You as Much as Smoking or Drinking
A new long-term study suggests that the more heat waves people are exposed to, the more their body’s aging process accelerates
Repeated Heat Waves Can Age You as Much as Smoking or Drinking
A new long-term study suggests that the more heat waves people are exposed to, the more their body’s aging process accelerates
Microplastics Could Be Turning Bacteria into Drug-Resistant Superbugs
Human Case of Flesh-Eating Screwworms Detected in U.S.
Weird Weather: How to Tell a Williwaw from a Haboob
Spellements: Tuesday, August 26, 2025
New Instrument Checks on Proxima Centauri’s Planets
RFK, Jr., Demanded a Vaccine Study Be Retracted—The Journal Said No
How You Search the Internet Can Reinforce Your Beliefs—Without You Realizing It
Scientific American Celebrates 180 Years with Stories of Scientific U-turns
One Year after Scientific American’s First Issue, the Solar System Grew by a Planet
Scientific American Celebrates 180 Years with Stories of Scientific U-turns
U.S. Science and Scientific American Have Weathered Attacks Before and Won
180 Years of Standing Up for Science
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?
What Can Nature Teach Us about Sex and Gender?
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
Scientific American Celebrates 180 Years with Stories of Scientific U-turns
In honor of SciAm’s 180th birthday, we’re spotlighting the biggest “wait, what?” moments in science history.
RFK, Jr., Demanded a Vaccine Study Be Retracted—The Journal Said No
In a rare move for a U.S. public official, Secretary of Health and Human Services Robert F. Kennedy, Jr., called for a paper that found no link between aluminum in vaccines and disease to be retracted. The journal rejected the request
Truth, Romance and the Divine: How AI Chatbots May Fuel Psychotic Thinking
A new wave of delusional thinking fueled by artificial intelligence has researchers investigating the dark side of AI companionship
What Happens When an Entire Generation of Scientists Changes Its Mind
Total reversals in scientific thinking are rare—but earth-shattering
NASA’s Juno Mission Leaves Stunning Legacy of Science at Jupiter
The Juno spacecraft has rewritten the story on Jupiter, the solar system’s undisputed heavyweight
Human Case of Flesh-Eating Screwworms Detected in U.S.
This gruesome parasite is more of a threat to your burger than to you