Meet the 1,900-year-old latrine helping explain how Roman concrete grew stronger with age
An ancient sample shows calcite threading through the material’s cracks and pores, with possible lessons for making modern concrete last longer
Wimbledon 2026 opened with a 148 mph serve—here’s how tennis players brains track such fast balls
Why the controversy over de-extinction risks missing the point
Astronomers catch a ‘dark’ comet by the tail
Math Puzzle: Connect the stars
China’s long march to reusable rocketry hits another milestone
The odds of a Super El Niño just got higher
How could loosened radiation exposure rules affect public health?
Is Earth the only planet with total solar eclipses?
U.S. science is in chaos
On our radar
Craig Venter
My childhood in science
When science is under siege, history offers a playbook
Atul Gawande
Dozens of countries are trying to lure U.S. scientists abroad—and it’s working
Inside U.S. labs at a moment of fear—and unexpected promise
What people get wrong about scientists
Create as many words as you can!
Stretch your math muscles with these puzzles.
Why we'll never live in space
The puzzle of the first black holes
What if we never find dark matter?
How viruses may reshape the body’s ‘soil’ to promote cancer growth
Learning from unexpected results: This neuroscientist is redefining how the brain learns
How Erini Lambrides went from seeking theater stardom to studying the stars at NASA
Disclosure Day raises a big question: How do you talk to aliens?
Why are the steel beams inside a Manhattan skyscraper buckling?
Steel support columns in the Midtown building, which is being converted from offices into apartments, may have been overloaded, experts say
Should you be taking creatine?
The sport supplement is popular among health influencers and athletes, who say creatine can help build stronger muscles and sharper brains—but is it legit?
RFK, Jr. is turning his attention to another vital health advisory group
The U.S. Preventive Services Task Force is an independent group that offers guidance on what health screenings and medications health insurance should cover
How math helped the Allies win World War II
During World War II, statistics helped the Allies estimate the number of enemy tanks, which proved essential in the decisive move against Nazi Germany
The odds of a Super El Niño just got higher
This climate system is tied to more powerful typhoons, as well as famine and wildfires
Exclusive: International timekeepers to vote on changing the leap second to a leap hour
To align Coordinated Universal Time with Earth’s rotation, a second occasionally gets added to the year. That may change in 2027
