
Why the controversy over de-extinction risks missing the point
Efforts to revive the thylacine and woolly mammoth are forcing conservationists to face a long-overdue debate over what kind of natural world we want to build

Why the controversy over de-extinction risks missing the point
Efforts to revive the thylacine and woolly mammoth are forcing conservationists to face a long-overdue debate over what kind of natural world we want to build
China’s long march to reusable rocketry hits another milestone
The odds of a Super El Niño just got higher
Astronomers catch a ‘dark’ comet by the tail
Today’s Spellements

Science Quiz: How many times have we nuked space?
How could loosened radiation exposure rules affect public health?
Is Earth the only planet with total solar eclipses?
Physicist says splashy new cosmology study made ‘elemental’ mistake

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?

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

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

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

Chinese spacecraft beams back first image of Earth’s “mini moon”
China’s Tianwen-2 aims to collect samples from asteroid Kamo’oalewa and return them to Earth