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A matrix of stone tools on a black background.

Ancient hominids made long road trips to collect stone for tools

A Kenyan site shows early hominids transported stone 13 kilometers for toolmaking as early as 2.6 million years ago.

By Bruce Bower8 hours ago

A sphere representing a black hole sits in the middle of a glowing gas cloud. The donut-shaped cloud is bright yellow towards the center and red towards the outer edge.

The oldest known black hole formed more than 13.3 billion years ago

By McKenzie Prillaman13 hours ago

Male fruit fly offers female a pink droplet of sugar water.

Animals

A single protein makes lovesick flies spill their guts

By Sofia Caetano AvritzerAugust 14, 2025

Two yellow orbs beside each other with smaller white blobs inside.

Planetary Science

How alien ‘canals’ sparked debate over life on Mars

By Emily ConoverAugust 14, 2025

Enceladus, a moon of Saturn, covered in ice and fractures that look like veins.

Planetary Science

Cosmic rays could, in theory, sustain life on other worlds

By McKenzie PrillamanAugust 14, 2025

A panoramic view of a glacier nestled between snow-capped mountains under a partly cloudy blue sky. The glacier’s ice flows down into a rocky valley, with areas of broken, dirty ice near the base.

A glacier burst, flooding Juneau. Again. This one broke records

By Douglas FoxAugust 13, 2025

A researcher is shown holding a device over a tray of strings, an example of an Inca recordkeeping device called a khipu.

A 104-centimeter-long hair could rewrite recordkeeping in Inca society

By Javier BarbuzanoAugust 13, 2025

We summarize the week's scientific breakthroughs every Thursday.

Spotlight on Health

A golden apple snail crawls in an aquarium. The snail has a yellow shell with brown stripes. One round eye appears to stare into the camera. The snails can regenerate their eyes.

This snail may hold a secret to human eye regeneration

Golden apple snails can regrow full, functional eyes. Studying their genes may reveal how to repair human eye injuries.

By Tina Hesman SaeyAugust 6, 2025
New clues emerge on how foods spark anaphylaxis
What is the best exercise to improve sleep?

Sponsored Partner Content

Eric Sporkin, an alumnus of the 2007 International Science and Engineering Fair (ISEF), a program of Society for Science, and a software engineer at Jane Street, a quantitative trading firm.

Conversations with Maya: Eric Sporkin

This article has been paid for and developed by Society for Science.

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

Featured Media

Global visualization of aerosols swirling around the Earth, depicted in vivid colors including green, red, and purples.

See how aerosols loft through Earth’s sky

Aerosols, small particles in the atmosphere like salt and dust, may offset a third of human-caused climate warming, though their influence is fading.

A researcher wearing purple nitrile gloves flosses the lower incisors of a mouse. A second researcher, also wearing purple gloves, holds the mouse by the scruff of its neck. The mouse's head is also looped through a metal key ring, with part of the ring supporting its lower jaw.

How flossing a mouse’s teeth could lead to a new kind of vaccine

A spotted lanternfly expands its wings while facing the camera in the center of the photo. It is sitting on a black surface that has been spray painted with red paint. Its red underwings with black spots closest to its body. The top of its wings are a grayish brown with black spots. In the middle of each wing is a black portion with a white strip down the center

Squashing the spotted lanternfly problem may require enlisting other species

A golden apple snail crawls in an aquarium. The snail has a yellow shell with brown stripes. One round eye appears to stare into the camera. The snails can regenerate their eyes.

This snail may hold a secret to human eye regeneration

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.

These plants build ant condos that keep warring species apart

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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

Stopping menopausal hormones may require more bone monitoring

By Sofia Caetano AvritzerAugust 12, 2025
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

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

Seven superclouds sit just beyond the solar system

By McKenzie PrillamanAugust 4, 2025
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

Physics

Sunlight is all that’s needed to keep these tiny aircraft aloft

By Emily ConoverAugust 13, 2025
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

Health & Medicine

The sugar substitute sucralose makes immunotherapy less effective

By Payal DharAugust 12, 2025
Higher colon cancer rates may reflect earlier screening success

By Aimee CunninghamAugust 4, 2025
Some probiotics could feed, rather than fend off, infections

By Tina Hesman SaeyAugust 1, 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