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A vintage colorized photograph of a street in sweden as people switch from driving on one side to the other. A police officer directs traffic.
Vehicles

In 1967, 2 million Swedes started driving on the other side of the road

A propaganda song to get drivers on board even topped Sweden’s hit music chart.

By Leah Hudson

Featured

Gear and Reviews

Podcasts

Latest Articles

Can Apple Make The First Wantable Smartwatch?
Smartwatches

Can Apple Make The First Wantable Smartwatch?

A wearable whose time has come

By Dan Moren

a bear walking by a wave on the beach
Bears

History-making mother bear could be big Fat Bear Week 2026 contender

In 2022, Bear #910 adopted her sister’s yearling cub.

By Laura Baisas

Rainbow Serpent head depicted with white paint on Aboriginal rock wall art
Archaeology

Rainbow Serpent rock art grew larger as Europeans colonized Aboriginal Australia

One depiction of the agent of chaos and creation is nearly 410-feet-long.

By Andrew Paul

purple particles that make up a cooling fabric
Global Warming

New fabric stays cooler than white cotton—and it’s purple

But can we still wear purple after Labor Day?

By Mack DeGeurin

High definition image of a snake embryo
Wildlife

Biologists discover why snake embryos always coil to the right

A ‘pillar of gut’ is the key.

By Andrew Paul

Watching to development. Male Chemist researcher or Scientist is holding a microscope slide and with digitization display of biotechnology in a laboratory.
AI

AI‑designed viruses are a test of whether biosecurity can keep pace

If AI becomes increasingly able to help design biological systems, are our safeguards developing fast enough?

By Tuck Seng Wong, Kang Lan Tee / The Conversation

a picture of the planet neptune. it is colored blue on a black background
Solar System

September Stargazing: Summer’s official end, a big ol’ moon, and a chance to see Neptune

Our solar system’s most far-flung planet will only be 2.68 billion miles away.

By Tom Hawking

An iPhone's Camera app shown capturing the sun setting on a lake
Tech Hacks

How to take better photos on any smartphone

Make sure your memories are worth looking back on.

By David Nield

MERRILLVILLE, INDIANA - JUNE 12: A man walks through debris in front of Andrean High School after it was damaged by tornado winds on June 12, 2026 in Merrillville, Indiana. A tornado system passed through the area the previous night, causing wide spread damage to homes and businesses. (
Weather

Even meteorologists are baffled by the Midwestern tornado season

More than 200 tornadoes have hit Illinois this year. Here’s how the twisters form, and how climate change might be influencing them.

By Juanpablo Ramirez-Franco / Grist, Matt Simon / Grist

a black bear walking on a grassy area
Bears

Virginia scientists discover the cues black bears use for hibernation

By Margherita Bassi

Duolingo logo shown on smartphone with latest stock market chart in background.
Ask Us Anything

Can apps really make you fluent in another language?

A green owl can nudge you to practice, but it doesn’t replace talking to a person.

By Clarissa Brincat

An illustration of the Nancy Grace Roman Space Telescope in space. It is a long cylindrical telescope with mirrors on the outside
Space Telescope

How NASA’s new Nancy Grace Roman space telescope compares with Hubble and Webb

This trio of high-tech observatories will continue to unlock the secrets of the cosmos.

By Meghan Bartels

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Popular Science has been demystifying the worlds of science and technology since 1872. We explain the inner workings of the phone in your pocket, explore world-changing innovations, and examine everything from the marvels of deep space to the secret lives of staples like bread. We deliver an engaging, approachable, and inclusive look at emerging technologies and scientific advances.
Daily, Popular Science unpacks the science behind the top current new stories, dissects the latest technology and digital trends, and helps readers live smarter, safer, and happier through clever DIY projects.

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