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The Navy’s version of a Roomba inspects billion-dollar ships for damage

The Navy’s version of a Roomba inspects billion-dollar ships for damage The Navy’s version of a Roomba inspects billion-dollar ships for damage

By Kelsey D. Atherton

Purple sea urchins clumped together in an urchin barren.

These urchin-eating sea stars might be helping us reduce carbon levels These urchin-eating sea stars might be helping us reduce carbon levels

A LifeStraw water filter and bottle on some gray rocks.

DIY

Don’t ruin your next camping trip by storing your portable water filters wrong Don’t ruin your next camping trip by storing your portable water filters wrong

By Alisha McDarris

a small green desert shrub with small yellow buds at the tips

To save water, Arizona farmers are growing guayule for sustainable tires To save water, Arizona farmers are growing guayule for sustainable tires

Groundwater pumps like this one deliver water from below to farms in Bangladesh.

Farmers accidentally created a flood-resistant ‘machine’ across Bangladesh Farmers accidentally created a flood-resistant ‘machine’ across Bangladesh

America’s infrastructure is a crisis of inequity

America’s infrastructure is a crisis of inequity America’s infrastructure is a crisis of inequity

By Paul Chinowsky / The Conversation

Orange male betta fish surrounded by eggs in a greenery-filled aquarium

Captive fish have feelings we’re just beginning to understand Captive fish have feelings we’re just beginning to understand

By Brandon Keim

Well water from Red Hill Navy fuel facility being pumped out through pipes into the Halawa Stream surrounded by pink and white graffiti

What will it take to save Oahu’s freshwater from the Red Hill fuel leak? What will it take to save Oahu’s freshwater from the Red Hill fuel leak?

Diving mannequins enter a pool so researchers can measure what forces affect them.

What engineers learned about diving injuries by throwing dummies into a pool What engineers learned about diving injuries by throwing dummies into a pool

Starry valley of Carina Nebula against dust and light on a bluish universe in a James Webb Space Telescope image

The James Webb Space Telescope’s first glimpses into deep space reveal 4 mind-blowing finds The James Webb Space Telescope’s first glimpses into deep space reveal 4 mind-blowing finds

By Maria Parazo Rose

drinking water glass

You can’t make mineral water with plain, old salt You can’t make mineral water with plain, old salt

By Corinne Iozzio

Ca. Thiomargarita magnifica filamentous bacteria on black

Ever heard of giant bacteria? This new species is way bigger and weirder. Ever heard of giant bacteria? This new species is way bigger and weirder.

By Maria Parazo Rose

child jumping in pool with swimming goggles on

DIY

5 things you can do to reduce your child’s drowning risk 5 things you can do to reduce your child’s drowning risk

By Alexandra Frost

person opening faucet with water flowing

DIY

PFAS are toxic and they’re everywhere. Here’s how to stay away from them. PFAS are toxic and they’re everywhere. Here’s how to stay away from them.

By Sofia Quaglia

Images from the November 1922 issue of Popular Science.

From the archives: This talking gadget from the 1920s measured water levels From the archives: This talking gadget from the 1920s measured water levels

By Bill Gourgey

Water and air pollution on beach

Pollution kills 1 in 6 people worldwide Pollution kills 1 in 6 people worldwide

By Sara Kiley Watson

A photo of drought-stricken Lake Powell.

The numbers show just how devastatingly dry the Western US is right now The numbers show just how devastatingly dry the Western US is right now

By Theo Whitcomb/High Country News

Outdoor watering must be limited in Southern California during a severe drought.

New water restrictions in California show just how bad the Western drought is New water restrictions in California show just how bad the Western drought is

The Horseshoe Bend in the Colorado River.

From pollution to dams: here’s what is plaguing America’s 10 most endangered rivers From pollution to dams: here’s what is plaguing America’s 10 most endangered rivers

By Sara Kiley Watson

crop rows of leafy greens being watered on a large farm

NASA is watching California’s groundwater crisis from space NASA is watching California’s groundwater crisis from space

By Tatyana Woodall

Death Valley desert, California, USA

Mini desalination plants could refresh the parched West Mini desalination plants could refresh the parched West

Child using well in Bhor, Maharashtra, India

Groundwater is an incredible resource. It’s time to treat it like one. Groundwater is an incredible resource. It’s time to treat it like one.

By Sara Kiley Watson

Inside the hotly contested creation of ‘ice X’

Inside the hotly contested creation of ‘ice X’ Inside the hotly contested creation of ‘ice X’

Rows of solar panels in the Chilean desert.

Dust-repellent solar panels could save billions of gallons of water Dust-repellent solar panels could save billions of gallons of water

By Anuradha Varanasi

A dripping faucet

Headed back to the office? Make sure your building has flushed out its water. Headed back to the office? Make sure your building has flushed out its water.

Heron resting on floating solar panel.

Floating solar panels could be the next big thing in clean energy Floating solar panels could be the next big thing in clean energy

There's less water in mountain glaciers than thought.

Many glaciers aren’t as thick as we thought Many glaciers aren’t as thick as we thought

Person with black gloves pouring rock salt over a sidewalk despite environmental pollution

DIY

There’s a better way to use rock salt on snow There’s a better way to use rock salt on snow

By Purbita Saha

person on the floor sorting laundry

DIY

Sorting your laundry correctly will make your clothes last longer Sorting your laundry correctly will make your clothes last longer

By Sandra Gutierrez G.

An ash cloud from the 2022 Hunga Tonga explosion over the South Pacific seen from outer space

How one major disaster can lead to another: a lack of clean drinking water How one major disaster can lead to another: a lack of clean drinking water

By Philip Kiefer

Creek running through yellow meadows and mountains in the Colorado basin

The US is losing some of its biggest freshwater reserves The US is losing some of its biggest freshwater reserves

A global view of Mars.

Mysterious bright spots fuel debate over whether Mars holds liquid water Mysterious bright spots fuel debate over whether Mars holds liquid water

By Leto Sapunar

Brown kombucha SCOBYs sit on plate in front of jars full of fermented tea

Turns out kombucha SCOBYs could make good water filters Turns out kombucha SCOBYs could make good water filters

By Maggie Galloway

a glass of water with a slice of lemon and mint inside on a pink and yellow background

The truth about hydration hacks like IV therapies, alkaline water, and more The truth about hydration hacks like IV therapies, alkaline water, and more

By Ellen Airhart

art illustration of a person drinking from a bucket.

How much water should you drink in a day? How much water should you drink in a day?

By Claire Maldarelli

Google headquarters in Mountain View, California

Are ‘water positive’ pledges from tech companies just a new kind of greenwashing? Are ‘water positive’ pledges from tech companies just a new kind of greenwashing?

By Angely Mercado

Almost half of the world’s children live in dangerous climate conditions

Almost half of the world’s children live in dangerous climate conditions Almost half of the world’s children live in dangerous climate conditions

By Angely Mercado

4 reasons to let your lawn grow wild

4 reasons to let your lawn grow wild 4 reasons to let your lawn grow wild

By Angely Mercado

Sorry, there’s probably no water under the South Pole of Mars

Sorry, there’s probably no water under the South Pole of Mars Sorry, there’s probably no water under the South Pole of Mars

By Leto Sapunar

Yard garden with flowers, shrubs, bushes and trees.

Floods from storms are destructive, but a humble rain garden can help Floods from storms are destructive, but a humble rain garden can help

By Angely Mercado

Food wrapped in beeswax wrap

The truth about reusable kitchen essentials The truth about reusable kitchen essentials

By Angely Mercado

Willow trees could be a sustainable (and beautiful) way to treat wastewater

Willow trees could be a sustainable (and beautiful) way to treat wastewater Willow trees could be a sustainable (and beautiful) way to treat wastewater

By Angely Mercado

Bidet in a bathroom with a black tile floor

Are bidets really better for the planet than toilet paper? Are bidets really better for the planet than toilet paper?

By Sara Kiley Watson

Lakes around the world are losing oxygen

Lakes around the world are losing oxygen Lakes around the world are losing oxygen

By Ellie Shechet

Water is poured into a short, clear glass from above against a blue background.

Worsening droughts could increase arsenic exposure for some Americans Worsening droughts could increase arsenic exposure for some Americans

By Lauren Leffer

best smart sprinkler controller

Gear

Best smart sprinkler controllers Best smart sprinkler controllers

Three children sliding down a slip and slide.

DIY

Beat the heat by building your own slip and slide Beat the heat by building your own slip and slide

By Jean Levasseur

A cold drink like ice tea is poured into a glass with an orange/red overlay.

The best (and worst) beverages to sip when you’re dehydrated The best (and worst) beverages to sip when you’re dehydrated

The Mars Jezero crater

Life could be hiding deep under Mars Life could be hiding deep under Mars

By Leto Sapunar

Colorful cleaning products on blank background.

Are your cleaning products really green? Here’s how to tell. Are your cleaning products really green? Here’s how to tell.

By Shaena Montanari

Human activities are making freshwater sources saltier

Human activities are making freshwater sources saltier Human activities are making freshwater sources saltier

By Ellie Shechet

This century-old technology could be the key to unlocking America’s renewable energy future

This century-old technology could be the key to unlocking America’s renewable energy future This century-old technology could be the key to unlocking America’s renewable energy future

By James Dinneen

Wine being poired into glasses overlooking natural landscape.

Is your wine really sustainable? Here’s how to tell. Is your wine really sustainable? Here’s how to tell.

By Shaena Montanari

A conceptual solar canal.

Solar panels and water canals could form a real power couple in California Solar panels and water canals could form a real power couple in California

By Shaena Montanari

Person filling up water bottle at kitchen sink with tap water.

DIY

Simple, at-home tests can check your air and water for contaminants Simple, at-home tests can check your air and water for contaminants

By Kendra Pierre-Louis

A running water faucet

Hackers accessed a Florida water treatment plant’s system and tried to make a dangerous change Hackers accessed a Florida water treatment plant’s system and tried to make a dangerous change

By Stan Horaczek

An overhead view of Mars featuring peculiar dark streaks.

Mars’s mascara-like streaks may be caused by slush and landslides Mars’s mascara-like streaks may be caused by slush and landslides

By Charlie Wood

This ancient fish-crocodile mashup snared its prey using a key adaptation This ancient fish-crocodile mashup snared its prey using a key adaptation

By Kate Baggaley

Showerhead upgrades that’ll turn your daily de-grime into a spa experience

Gear

Showerhead upgrades that’ll turn your daily de-grime into a spa experience Showerhead upgrades that’ll turn your daily de-grime into a spa experience

By PopSci Commerce Team

The Trump border wall made of concrete and steel on the edge of Organ Pipe Cactus National Monument in Arizona

How the Trump border wall sapped a desert oasis dry How the Trump border wall sapped a desert oasis dry

By Lucy Sherriff

The White House covered in snow

The Trump administration’s environmental legacy can be undone. Here’s how. The Trump administration’s environmental legacy can be undone. Here’s how.

By Purbita Saha

The starry Arctic sky over an iceberg in Greenland

Four science conversations worth having this holiday Four science conversations worth having this holiday

By Purbita Saha

The moon is pockmarked with craters, including holes made by rockets.

New 3D moon models show it might hold up to 15,000 miles of frozen water New 3D moon models show it might hold up to 15,000 miles of frozen water

This image of the Moon was created with images taken by NASA's Lunar Reconnaissance Orbiter.

The moon is (slightly) wet, NASA confirms. Now what? The moon is (slightly) wet, NASA confirms. Now what?

By Charlie Wood