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Artificial Intelligence

Can AI ‘feel’ guilt?

Research based on game theory suggests if we program AI agents with a sense of guilt, they could behave more cooperatively, much like humans do.

By Matthew Hutson13 hours ago

A galaxy that looks like an infinity symbol tilted so that one ring is on the bottom left and the other is on the upper right. In the middle of each ring is a dot. And near the galaxy's center sits a cluster of light blue, representing a supermassive black hole.

Two colliding galaxies may have birthed this black hole

By McKenzie Prillaman21 hours ago

Getting one type of flu might protect against others including H5N1 bird flu. In this picture, an ill young woman sits cross-legged on a white sofa with a gray blanket draped across her legs and pink shawl wrapped around her. Her right hand clutches her chest. Her eyes are closed and her head is bowed resting on her raised left hand, which holds a facial tissue.

Health & Medicine

You may already have some protection from bird flu, but don’t count on it

By Tina Hesman Saey23 hours ago

A man appears to be mid-cough or sneeze, one hand on his chest, the other holding a tissue. Just looking in virtual reality at someone who looks sick could rev up your immune system.

Health & Medicine

Seeing sick faces may prime the immune system to repel invaders

By Simon MakinJuly 28, 2025

Two orcas breaching the surface as they swim in the middle of the ocean

Animals

Some killer whales hunt in pairs to maximize their bounty

By Kristel TjandraJuly 28, 2025

Image of many fly maggots.

Maggots may have been on the Neandertal menu

By Sofia Caetano AvritzerJuly 25, 2025

An image of a desert beetle on light brown sand

Animals

This desert beetle runs to cool off

By Rohini SubrahmanyamJuly 25, 2025

We summarize the week's scientific breakthroughs every Thursday.

Spotlight on Health

A large crowd of children stretch out plates and pots over a wooden railing toward a person dishing out food.

Malnutrition’s effects on the body don’t end when food arrives

Children may struggle with inflammation, a weakened immune system and gut problems. New treatments may repair some damage.

By Tina Hesman SaeyMay 28, 2024
AI is designing proteins that could help treat cancer
An injected gel could make drugs like Ozempic last longer

Science News Magazine

A montage of illustrations showing various times in our planet's history, from its fiery origins, through the dawn of life, dinosaurs and more.

August 1, 2025 Vol. 207 No. 8

From the Archives

Gauging Growth in Microecosystems

July 26, 1975 Vol. 108 No. #4

Featured Media

Two orcas breaching the surface as they swim in the middle of the ocean

Some killer whales hunt in pairs to maximize their bounty

Drone footage from Norway shows killer whales using a highly coordinated and cooperative hunting technique to catch herring.

Melanoma cells appear in red among other shapes on a gray background in this microscopic image. Melanoma cells crumble and die after being treated with human immune cells genetically engineered to include AI-designed proteins that target cancer.

AI is designing proteins that could help treat cancer

A wooden sign is shown positioned along a road with a spray painted message that says "measles testing" in black. A red arrow points to the left. The sign is next to a permanent sign for Memorial Hospital, Seminole Hospital District.

U.S. measles outbreaks may end a hard-won victory over the virus

A satellite image of heavy precipitation over the United States on July 17, which may cause more flooding.

What to know about the extreme U.S. flooding — and ways to stay safe

A small white dog sits on a gray couch facing the TV, with a small box of popcorn next to it

A dog’s taste for TV may depend on its temperament

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More Stories

Life

This killer fungus strikes at sunset. Here’s how

By Meghan RosenJuly 21, 2025
Why these zombie caterpillars can’t stop eating

By Susan MiliusJuly 8, 2025
A 3-D printed, plastic beaker could help algae grow on Mars

By Erin Garcia de JesúsJuly 2, 2025

Humans

Forget discrete droplets. This is how sweat really forms

By Bethany BrookshireJuly 22, 2025
A child’s biological sex may not always be a random 50-50 chance

By Jake BuehlerJuly 18, 2025
No, shaken baby syndrome has not been discredited

By Tara HaelleJuly 16, 2025

Climate

Trees can’t get up and walk away, but forests can

By Sophie HartleyJuly 10, 2025
Climate change could separate vanilla plants and their pollinators

By Bethany BrookshireJuly 3, 2025
Harmful heat doesn’t always come in waves

By Nikk OgasaJune 27, 2025

Astronomy

Betelgeuse’s companion star revealed in new images

By Mara Johnson-GrohJuly 21, 2025
Nearly half of the universe’s ordinary matter was uncharted, until now

By McKenzie PrillamanJuly 3, 2025
A rare chance to see two exploding stars is happening in the southern sky

By McKenzie PrillamanJuly 1, 2025

Physics

Scientists 3-D printed a tiny elephant inside a cell

By Emily ConoverJuly 8, 2025
No player can return this killer shot. Physics explains how it works

By Celina ZhaoJune 24, 2025
Rainbows of sound are a reality thanks to a new device

By Emily ConoverJune 11, 2025

Health & Medicine

How many steps a day do you really need to take?

By Skyler WareJuly 23, 2025
Climate change may be pushing fungal allergy season earlier

By Erin Garcia de JesúsJuly 23, 2025
Here’s how air pollution may trigger lung cancer

By Meghan RosenJuly 21, 2025

Earth

How hot can Earth get? Our planet’s climate history holds clues

By Elise CuttsJuly 17, 2025
An ancient Earth impact could help in the search for Martian life

By Douglas FoxJuly 9, 2025
NASA images may help track sewage in coastal waters

By Sofia Caetano AvritzerJuly 7, 2025

Science & Society

Screen addiction affects teens’ mental health. How to spot it, and help

By Sujata GuptaJuly 22, 2025
A Supreme Court ruling on nuclear waste spotlights U.S. storage woes

By Emily ConoverJune 18, 2025
How attacks on evolution in classrooms have shifted over the last 100 years

By Erin WaymanJune 17, 2025