Popular Science Homepage

Treblab HD77 review: A sturdy stand-in

The Treblab HD77 is an affordable outdoor speaker alternative perfect for a patio.

By Carsen Joenk

Kids make up 19 percent of new US COVID-19 cases now
Children are still vulnerable and should stay masked, says CDC. By Hannah Seo
Do stablecoins live up to their name?
A blockchain expert explains. By Stephen McKean/The Conversation
Scientists confirm that squirrels are amazing gymnasts
Smarts and skills are necessary for the creature's acrobatic skills. By Grace Wade

Science

Pesticides might be worse for bees than we thought

Combos of agrichemicals pose compounding risks for pollinators.

By Ula Chrobak

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Tech

How to download and test Windows 11 before its official launch

Give the new OS a test run.

By David Nield

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Space

A trio of galaxies swirl around each other.

See galactic triplets play tug-of-war in Hubble’s latest snapshot

By Erin Fennessy

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Life Hacks

View from inside a catio with white cat on a swing

Tips to build the safest, most purr-fect catio for your feline overlord

By Haley Weiss

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Animals

an adult giraffe stands in the grass with a young giraffe

Giraffe grandmas help keep herds going

By Hannah Seo

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Health

A dog with brown and white color looking straight to you.

Best CBD oil for dogs: 10 top products and complete guide

By Davies Media

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Latest

By Philip Kiefer Aug 04, 2021

Science

We have now seen our sense of smell in action

Our scientific understanding of how smell works is fairly limited.

By Hannah Seo Aug 04, 2021

Environment

What is the ‘dead zone’ in the Gulf of Mexico, and why is it super-sized this year?

Climate change and pollution are creating widespread algal blooms.

By Rob Verger Aug 04, 2021

Technology

Bell wants to soup up tilt-rotor aircraft by adding jet engines

The newest concepts from Bell are machines that can take off and land like helicopters—and then zoom at jet-like speeds.

By Sara Kiley Watson Aug 04, 2021

Environment

Hawaii is the latest state to experience a record-breaking fire

This summer is turning out to be a particularly fiery one.

By Ryan P. Smith/The Conversation Aug 03, 2021

Health

Pollution could be harming sperm around the world

Baby, that's toxic.

By Charlotte Hu Aug 03, 2021

Technology

These futuristic shoe inserts could make navigation easier for the visually impaired

The vibration-based system, which will enter beta testing in Japan this fall, aims to help those with low vision be more attentive to their surroundings.

By Sara Kiley Watson Aug 03, 2021

Environment

To shore up packaging recycling, Maine is making businesses foot the bill

The policy is common outside of the US—and moves the responsibility of waste from taxpayers back to producers.

By Claire Maldarelli Aug 03, 2021

Health

How does menstruation affect my muscle performance?

We still know surprisingly little.

By Philip Kiefer Aug 02, 2021

Science

What you need to know about variants, vaccines, and breakthrough COVID cases

The CDC is reporting every severe breakthrough, but less is known about non-severe cases.

By David Roza/Task & Purpose Aug 02, 2021

Military

The Air Force is mounting a war against Facebook misinformation

The newly published RAND report outlines digital threats and countering strategies.

Treblab HD77 review: A sturdy stand-in

Kids make up 19 percent of new US COVID-19 cases now

Do stablecoins live up to their name?

Scientists confirm that squirrels are amazing gymnasts

Science

Pesticides might be worse for bees than we thought

There’s a reason human-wildlife clashes are on the rise

Enjoy breathing oxygen? Thank the moon.

5 reasons you can’t sleep

Tech

How to download and test Windows 11 before its official launch

The Biden administration is going pedal-to-the-metal on electric cars

Not a single federal agency received an ‘A’ in a new Senate cybersecurity report card

The safest ways to show proof of vaccination, wherever you are

Space

See galactic triplets play tug-of-war in Hubble’s latest snapshot

How old is the universe? Our answer keeps getting better.

One of Einstein’s predictions on black holes has finally been confirmed

Hubble spied water vapor on our solar system’s largest moon

Life Hacks

Tips to build the safest, most purr-fect catio for your feline overlord

How to protect wildlife from extreme heat

The best platforms to launch your own email newsletter

Fight household pests with a friendly army of plants and insects

Animals

Giraffe grandmas help keep herds going

Shark Week may be hurting, not helping, its namesake creature

Moisturize your pup’s pads with some DIY paw balm

Everything you need to know about the spotted lanternfly invasion

Health

Best CBD oil for dogs: 10 top products and complete guide

What to know about the controversial tobacco scientist who wants to ban e-cigarettes

A guide to Delta-plus, Lambda, and other super infectious coronavirus variants

The US just met a major vaccination goal—but it’s not enough

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Latest

We have now seen our sense of smell in action

What is the ‘dead zone’ in the Gulf of Mexico, and why is it super-sized this year?

Bell wants to soup up tilt-rotor aircraft by adding jet engines

Hawaii is the latest state to experience a record-breaking fire

Pollution could be harming sperm around the world

These futuristic shoe inserts could make navigation easier for the visually impaired

To shore up packaging recycling, Maine is making businesses foot the bill

How does menstruation affect my muscle performance?

What you need to know about variants, vaccines, and breakthrough COVID cases

The Air Force is mounting a war against Facebook misinformation