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A man in a blue shirt stands on an outdoor track stretching his shoulder.

Health & Medicine

Over 40? Your rotator cuff probably looks a little rough

MRI scans of over 600 Finnish adults found that nearly all had frayed, torn or otherwise abnormal rotator cuffs — yet most had no symptoms.

By Meghan Rosen2 hours ago

An illustration shows three scientists, one with an oversized magnifying glass. examining a large diagram of a human intestine filled with colorful microbes.

Health & Medicine

Simulations of your gut may predict which probiotics will stick

By Nora BradfordMarch 2, 2026

A high school student is sleeping on their desk, which has papers. They are holding a pencil.

Health & Medicine

A rising percentage of U.S. teens aren’t getting enough sleep

By Aimee CunninghamMarch 2, 2026

Facial reconstruction of the Little foot human ancestor fossil

The ancient human ancestor ‘Little Foot’ gets a new face

By Jay BennettMarch 2, 2026

An orange rocket stands out against a blue sky.

Space

NASA scraps its 2027 moon landing, adds two missions in 2028

By Lisa GrossmanFebruary 27, 2026

Two women skiing in the mountains of Italy.

Climate

Take it from the Olympics, slushy winter sports may be the new normal

By Natasha VizcarraFebruary 27, 2026

Illustration of a child with a brain full of numbers and surrounded by numbers. Some of the numbers are highlighted with a quantity of dots that correspond to that number.

Why is math harder for some kids? Brain scans offer clues

By Lily BurtonFebruary 27, 2026

We summarize the week's scientific breakthroughs every Thursday.

Spotlight on Health

A colour enhanced scanning electron micrograph of an Anopheles mosquito

Mosquitoes began biting humans more than a million years ago

A DNA analysis suggests mosquitoes shifted from nonhuman primates to early humans nearly 2 million years ago.

By Tom MetcalfeFebruary 26, 2026
Can you trust the results from gut microbiome tests? Maybe not
A lab on wheels is tracking HIV spread in war-torn Ukraine

Science News Magazine

March 2026 issue of Science News

March 1, 2026 Vol. 208 No. 3

From Science News Investors Lab

Featured Media

Climate change could threaten monarch mass migration

Suitable milkweed habitat in Mexico may shift south, fracturing existing migration routes and possibly pushing some butterflies to stay put.

Two basketball players, shown from the waist down, face off on a court.

Here’s why sneakers squeak on the basketball court

An infant sooty mangabey sleeps in its mother arms. Mpox lesions are visible on its visible body parts: its head, ears and arm.

An African monkey ate a rope squirrel and came down with mpox

A strand of spider silk is covered in smaller, twisting and looping threads of silk.

Intricate silk helps net-casting spiders ensnare prey in webs

Have we entered a new age of AI-enabled scientific discovery?

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More Stories

Life

There’s life beneath the snow, but it’s at risk of melting away

By Bethany BrookshireJanuary 20, 2026
Watch a cancer cell evade capture

By Meghan RosenDecember 22, 2025
How these strange cells may explain the origin of complex life

By Michael MarshallDecember 11, 2025

Humans

Have a taste of our favorite food stories from 2025

By Carly KayDecember 24, 2025
‘Black Religion in the Madhouse’ examines psychiatry and race post-Civil War

By Aimee CunninghamDecember 12, 2025
Ancient southern Africans took genetic evolution in a new direction

By Bruce BowerDecember 3, 2025

Climate

Halting irreversible changes to Antarctica depends on choices made today

By Carolyn GramlingFebruary 20, 2026
Snowball Earth might have had a dynamic climate and open seas

By Michael MarshallFebruary 19, 2026
Polar bears in the Barents Sea are staying fat despite rapid sea ice loss

By Rebecca DzombakJanuary 29, 2026

Astronomy

This inside-out planetary system has astronomers scratching their heads

By Adam MannFebruary 12, 2026
A double cosmic explosion could be the first known ‘superkilonova’

By Lisa GrossmanJanuary 9, 2026
Galaxies with ‘hoop skirts’ are more common than we thought

By Lisa GrossmanJanuary 7, 2026

Physics

Physicists dream up ‘spacetime quasicrystals’ that could underpin the universe

By Emily ConoverFebruary 17, 2026
A precise proton measurement helps put a core theory of physics to the test

By Emily ConoverFebruary 11, 2026
The only U.S. particle collider shuts down – so a new one may rise

By Emily ConoverFebruary 6, 2026

Health & Medicine

This itch-triggering protein also sends signals to stop scratching

By Tina Hesman SaeyFebruary 21, 2026
Meds like Ozempic could ease arthritis

By Meghan RosenFebruary 20, 2026
Home HPV tests won’t replace the ob-gyn

By Jamie DucharmeFebruary 19, 2026

Earth

Metal pollution from a rocket reentry detected for the first time

By Adam MannFebruary 25, 2026
Earth’s core may hide dozens of oceans of hydrogen

By Nikk OgasaFebruary 10, 2026
A long-lost tectonic fragment may be shaking Northern California

By Carolyn GramlingJanuary 16, 2026

Science & Society

On moonshots and Minneapolis

By Lisa GrossmanFebruary 27, 2026
Project Hail Mary made us wonder how to survive a trip to interstellar space

By Tina Hesman SaeyFebruary 20, 2026
Autistic Barbie reminds us stories have the power to counter misinformation

By Laura SandersFebruary 6, 2026