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Artist's depiction of a pregnant mammal ancestor Chiniquodon theotonicus and another nursing two young.

These mammal ancestors birthed live young far earlier than thought

Growth rings on a fossil bone suggest at least one mammal ancestor gave birth to live young rather than laying eggs 236 million years ago.

By Carolyn Gramling6 hours ago

A older woman reads the directions on estrogen or hormone therapy.

Health & Medicine

Estrogen therapy is linked to fewer signs of Alzheimer’s in the brain

By Nora Bradford14 hours ago

An illustration of the Artemis I uncrewed mission around the moon shows a space capsule with a cutaway, showing three figures simulating astronauts inside. Two are torsos colored in way to indicate what radiation dose they are exposed to.

Space

A vest tested on the Artemis I mission blocked some radiation exposure

By Skyler Ware16 hours ago

A female Cope’s gray tree frog has made her choice. She mates with a male after careful selection.

Animals

Too many choices complicate female frogs’ sex lives

By Freda Kreier19 hours ago

A health care provider wearing blue gloves presses a newborn baby's heel to a card.

Health & Medicine

Newborn screening for cancer risk could save lives. Should it be done?

By Meghan RosenAugust 12, 2026

Stacked rolls of toilet paper, seen end on, fill this image.

Science & Society

Bamboo toilet paper intrigued me. Reality turned out to be messy

By Rebecca DzombakAugust 11, 2026

A bright ellipse shines amid the black backdrop of space.

Space

The largest known galaxy is wider than 17 Milky Ways

By Nikk OgasaAugust 11, 2026

We summarize the week's scientific breakthroughs every Thursday.

Spotlight on Vaccines

An illustration of bandaids atop vaccine vials and syringes.

Eroding access to childhood vaccines jeopardizes health for all

Recent U.S. decisions about vaccines signal bigger changes to come that could threaten the foundation of the national childhood immunization schedule.

By Aimee CunninghamNovember 19, 2025
Amid vaccine policy whiplash, here’s how a pediatrician talks to families
Vaccine hesitancy is nothing new. Here’s the damage it’s done over centuries

Science News Magazine

August 2026 issue of Science News

August 1, 2026 Vol. 208 No. 8

From Science News Investors Lab

Featured Media

a segment of the sun's surface with jagged lines and shades of orange swirls

These tiny swirls on the sun could trigger solar flares

Scientists have finally seen a long-predicted motion on the sun, and it may help explain explosive solar activity.

What’s to blame for Canada’s wildfires?

The outline of the constellation Orion is seen on a starry sky. An inset pointing to one spot on Orion has an image of the red supergiant Betelgeuse. An inset of that image shows a bright spot near the big star.

New images reveal Betelgeuse’s buddy star

illustration of the 4 different types of black holes: primordial, stellar, intermediate, and supermassive, over a background of space.

What kinds of black holes exist — and how are they different?

An underwater image of a black and white orca swimming seemingly alone.

Watch an orca ram into a sunfish so hard it explodes

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Life

The natural history of every U.S. state is on display at a new D.C. exhibit

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Astronomy

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Physics

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Health & Medicine

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Earth

Mammals moving between the Americas stopped over in Mexico

By Bethany BrookshireJuly 30, 2026
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By Danielle BeurteauxJune 22, 2026
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Science & Society

Science backs calls for limiting screens in schools

By Sujata GuptaAugust 10, 2026
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