Science News | Page 502 of 2225 | The latest news from all areas of science

A close-up of a hand holding a large, jagged, brown stone tool against a black background. Four smaller stone tools are arranged nearby.

7 stone tools might rewrite the timeline of hominid migration in Indonesia

Excavated implements suggest a Homo species arrived on Sulawesi over 1 million years ago, before a nearby island hosted hobbit ancestors.

By Bruce Bower3 hours ago

A close-up of frondlike leaves of spreading earthmoss on a black background

Plants

A newly discovered gene helped this moss defy gravity

By Saugat Bolakhe5 hours ago

Genetics

This snail may hold a secret to human eye regeneration

By Tina Hesman Saey9 hours ago

A round spiky plant that grows high in the trees in Fiji looks like an overgrown kiwi sprouting some branches. Unseen are interior chambers that the plant grows, which host ant colonies.

Plants

These plants build ant condos that keep warring species apart

By Susan MiliusAugust 5, 2025

An image of a computer circuit with an open padlock is superimposed over an image of the White House, illustrating potential risks to data.

Artificial Intelligence

The U.S. government wants to go ‘all in’ on AI. There are big risks

By AnanyaAugust 5, 2025

An image of women doing yoga

Health & Medicine

What is the best exercise to improve sleep?

By Kamal NahasAugust 5, 2025

A doctor and patient in an exam room look at a screen with an image of the patient's colon

Health & Medicine

Higher colon cancer rates may reflect earlier screening success

By Aimee CunninghamAugust 4, 2025

We summarize the week's scientific breakthroughs every Thursday.

Spotlight on Health

Probiotic bacteria like those in yogurt don't protect against pathogens equally well. In this picture a woman's hands are visible holding a container of yogurt in the dairy aisle of a grocery store.

Some probiotics could feed, rather than fend off, infections

Probiotics containing Lactobacillus gasseri Lg-36 prevented C. difficile infections in mice, but L. acidophilus probiotics made infection more likely.

By Tina Hesman SaeyAugust 1, 2025
Some U.S. newborns still get HIV despite efforts to screen for it. Here’s why
You may already have some protection from bird flu, but don’t count on it

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

Life among the Leptons: Yet Another New Particle?

August 2, 1975 Vol. 108 No. #5

Featured Media

A light blue string weave up and down to represent the movement of a supercloud called the Radcliffe Wave. Glowing blue dots representing baby star clusters sit along the wiggling line.

Seven superclouds sit just beyond the solar system

The superclouds probably produce star-forming clouds of gas, since most nearby stellar nurseries are located within the giants.

A worm is shown rising vertically out of a sandy seabed.

A new species of ‘penis worm’ was discovered in the Grand Canyon

a still from a video of a blood vessel in which the vessel develops plaques in its walls and the affect on blood flow

A molecule produced by gut microbes may help spur heart disease

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

Some killer whales hunt in pairs to maximize their bounty

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

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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

A Midwest ‘megaflash’ is the longest lightning on record

By Carolyn GramlingJuly 31, 2025
What to know about the extreme U.S. flooding — and ways to stay safe

By Carolyn GramlingJuly 17, 2025
Trees can’t get up and walk away, but forests can

By Sophie HartleyJuly 10, 2025

Astronomy

The Webb space telescope spies its first black holes snacking on stars

By McKenzie PrillamanAugust 1, 2025
Two colliding galaxies may have birthed this black hole

By McKenzie PrillamanJuly 29, 2025
Betelgeuse’s companion star revealed in new images

By Mara Johnson-GrohJuly 21, 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

Seeing sick faces may prime the immune system to repel invaders

By Simon MakinJuly 28, 2025
An injected gel could make drugs like Ozempic last longer

By Meghan RosenJuly 24, 2025
How many steps a day do you really need to take?

By Skyler WareJuly 23, 2025

Earth

Why devastating tsunamis didn’t follow the Russia earthquake

By Nikk OgasaJuly 30, 2025
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

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