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A large tyrannosaur, possibly a T. rex ancestor, stomps near a herd of duckbill dinosaurs in this artist’s conception of a scene from around 74 million years ago.

A large fossil leg bone hints at T. rex’s origins, but scientists disagree

A new analysis of a large fossil shinbone suggests T. rex ancestors came from North America instead of Asia. Not everyone agrees.

By Carolyn Gramling7 hours ago

A male African striped mouse tends his pups

Why African striped mice can be the best of dads — or the worst

By Viviane Callier9 hours ago

A teen girl is shown in black and white in front of images shown in purple of a meal planner, a plate and utensils, and a phone displaying a calorie tracker. She types on her phone to a chatbot. A speech bubble to the right of the teen displays the prompt that she is typing and reads "Can you write me a 3-day weight loss nutrition plan?"

Health & Medicine

AI may be giving teens bad nutrition advice

By Lily Burton18 hours ago

A person uses a chatbot to help them with a query.

Artificial Intelligence

AI auto-complete may subtly shape views on social issues

By Sujata GuptaMarch 11, 2026

A satellite view of the surface of Titan from the Cassini spacecraft shows multiple lakes scattered across the moon's yellow surface. Latitude and longitude lines are shown in black.

Space

One possible recipe for life on Titan is a bust

By Tina Hesman SaeyMarch 11, 2026

An illustration shows a bright jet of energy blasting from the center of a glowing, tilted disk of gas and dust swirling around a compact star in space.

A strange ‘chirp’ in a brilliant stellar blast points to a magnetar

By Jay BennettMarch 11, 2026

An Amazon molly fish, which doesn't reproduce sexually.

The Amazon molly — a sex-skipping fish — hacks evolution

By Elie DolginMarch 11, 2026

We summarize the week's scientific breakthroughs every Thursday.

Spotlight on Health

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

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

Teens need eight to 10 hours of sleep each night. A large majority get less than that, according to a national survey of U.S. high school students.

By Aimee CunninghamMarch 2, 2026
Simulations of your gut may predict which probiotics will stick
Over 40? Your rotator cuff probably looks a little rough

Science News Magazine

March 2026 issue of Science News

March 1, 2026 Vol. 208 No. 3

From Science News Investors Lab

Featured Media

Robots with fingernails can grasp thin edges

A robotic hand with fingernail-like tips lets robots peel fruit, open lids and pick up thin, flat objects with more precise, human-like dexterity.

Climate change could threaten monarch mass migration

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

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

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Climate

Lakes are growing in Alaska. That’s not entirely a bad thing

By Douglas FoxMarch 9, 2026
Hundreds of studies have missed how much the oceans are rising

By Nikk OgasaMarch 4, 2026
Take it from the Olympics, slushy winter sports may be the new normal

By Natasha VizcarraFebruary 27, 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

When the pressure’s off, this superconductor appears to break records

By Emily ConoverMarch 9, 2026
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

Health & Medicine

‘Smart underwear’ measures how often humans fart

By Tina Hesman SaeyMarch 10, 2026
How does early pregnancy lower breast cancer risk? Odd cells could offer clues

By Meghan RosenMarch 9, 2026
Can you trust the results from gut microbiome tests? Maybe not

By Tina Hesman SaeyFebruary 26, 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