See the Dramatic Consequences of Vaccination Rates Teetering on a ‘Knife's Edge’
As U.S. childhood vaccination rates sway on a “knife’s edge,” new 25-year projections reveal how slight changes in national immunization could improve—or drastically reverse—the prevalence of measles, polio, rubella and diphtheria
What Makes Stars Twinkle?
Science Quiz: Evil Twins and Dangerous Ticks
Polar Geoengineering Experiments Bet Big on Freezing Arctic Ice
Hard Sudoku: May 16, 2025
Read all the stories you want.
Loneliness Is Inflaming Our Bodies—And Our Politics
What RFK, Jr. Got Wrong about Autism, according to Scientists
The Universe May End Sooner Than Scientists Had Expected
Lawmakers Push to Legalize Emissions-Heavy ‘Supersonic’ Planes
Create as many words as you can!
Stretch your math muscles with these puzzles.
Inside the AI Competition That Decoded an Ancient Herculaneum Scroll
Building Intelligent Machines Helps Us Learn How Our Brain Works
God Chatbots Offer Spiritual Insights on Demand. What Could Go Wrong?
Will Machines Ever Become Conscious?
Scientists Are Putting ChatGPT Brains Inside Robot Bodies. What Could Possibly Go Wrong?
Declining MMR Vaccination Rates Make West Texas Outbreak a Threat to Measles Elimination
Sinking Cities, Waving Cuttlefish and Falling Spacecraft
The Only Particle Collider in the U.S. Will Be Replaced with an Upgrade
Fitness Doesn’t Have to Be about Denial and Shame
This Strange Mutation Explains the Mystifying Color of Orange Cats
Your orange cat may host a never-before-seen genetic pathway for color pigmentation, according to new studies
Linguists Find Proof of Sweeping Language Pattern Once Deemed a ‘Hoax’
Inuit languages really do have many words for snow, linguists found—and other languages have conceptual specialties, too, potentially revealing what a culture values
Friend or Food: Why Are Iceland’s Orcas Taking in Pilot Whales?
Newborn pilot whales have been spotted mysteriously swimming among pods of orcas. Scientists are trying to puzzle out how the pilot whale calves got there and what happened to them
Science Tells Us the U.S. Is Heading toward a Dictatorship
The red flags abound—political research tells us the U.S. is becoming an autocracy
Physicists Build a ‘Black Hole Bomb’ in the Laboratory
Astronomical amounts of energy could be extracted from black holes—to build a gigantic bomb, for example. Experts have now implemented this principle in the laboratory
Deep Math from String Theory Appears in Clashing Black Holes
Researchers have shown that abstract mathematical functions from the frontiers of theoretical physics have a real-world use in modeling gravitational waves
