Read the latest articles from Popular Science (Page 633)

Power lines across sunset and cloud-filled sky.

Utility companies could nix one-third of their emissions by 2050. Here’s how.

Some experts still worry that the goals set still aren't enough.

By Angely Mercado

planet earth with a rounded black shadow creeping over its southern pole

2021’s best space photos are out of this world

Glimpse back at this year's most extraordinary photos of outer space.

By Claire Maldarelli

Why the CDC just shortened COVID quarantines to 5 days for asymptomatic cases

Why the CDC just shortened COVID quarantines to 5 days for asymptomatic cases

This change reflects when people are most likely to transmit the coronavirus, the agency says.

a Mojave drone in flight

Mojave, the new Predator drone, is built to navigate rugged terrain

The new flying machine can take off and land from shorter runways.

By Kelsey D. Atherton

E.O. Wilson holding a stick with ants in front of a rainforest background in a National Portrait Gallery painting

E.O. Wilson changed the world with lessons learned from ants

He was the father of biodiversity and a model of sustainability.

By Doug Tallamy/The Conversation

a pair of gloved hands raised in the air

COVID vaccines weren’t the only big health breakthroughs in 2021

From fighting HIV to vanquishing malaria.

By Philip Kiefer

the ocean near greenland with chunks of ice

Less ice in the Arctic could mean more wildfires in the US

Researchers uncovered a surprising climate connection.

New study finds booster protection against Omicron drops at 10 weeks

New study finds booster protection against Omicron drops at 10 weeks

Protection against severe disease and hospitalization, however, should last much longer.

an electric pickup charges up another electric vehicle

Electric Vehicles

Ford’s charging into an era where EVs are power stations on wheels

Everything we know about which Ford electric vehicles will be able to charge each other up in a pinch.

Person watching TV and eating pop corn

11 totally legal streaming platforms that will let you watch movies for free

No Netflix, no problem.

By Whitson Gordon

two people safely riding bikes in the city

3 biking rules to keep everyone on the road safe

Bike safely and don’t forget to enjoy the ride.

By Alisha McDarris

Red toy truck carries a small recycled Christmas tree

What’s the most eco-friendly way to dispose of your Christmas tree?

Don't let it go fir nothing.

By Charlie Wood

an illustration of a marine reptile

These ancient marine reptiles got very big, very fast

They left whales in the evolutionary dust.

By Kate Baggaley

Why the Air Force wants to put lidar on robot dogs

Why the Air Force wants to put lidar on robot dogs

Using laser-based sensors on robot dogs or drones is a way for the Air Force to survey damaged buildings at a base like Tyndall in Florida.

By Kelsey D. Atherton

Jack Russell terrier dog facing a podcast microphone to record a science show

Ask Us Anything

Our favorite science podcast episodes of 2021

Haunted vaginas. Dinosaur barbecue. Periodic table poems. The world of science podcasts is wild, y'all.

By PopSci Editors

Apple's iMessage messaging system within the iPhone Messages app, showing off some mini apps you can add to your conversations.

12 mini apps that will supercharge your iMessage experience

Apps within apps.

Person sitting under a light in a dark room to store holiday decorations, surrounded by Christmas lights

The best ways to store holiday decorations so your future self doesn’t hate you

Give yourself the gift of foresight.

By Whitson Gordon

Guiana Space Center mission control during the James Webb Space Telescope launch on Christmas Day

Space Telescope

After years of delays, the James Webb telescope is finally in space

The launch was a success, but mission control’s work is just beginning.

By Rachel Feltman

Biofuels are having a government-funding moment

Biofuels are having a government-funding moment

The USDA and DOE both recently invested in the sometimes controversial energy source.

By Angely Mercado

Scientists finally solve the mystery of why comets glow green

Scientists finally solve the mystery of why comets glow green

Chemists put a 90-year-old explanation of comet glow to the test—and confirmed it was mostly correct.

By Leto Sapunar

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