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Read the latest articles from Popular Science (Page 38)

Inside the mouth of this anchovy, plankton particles are captured by the gill arch system.
Pollution

Sardine-inspired washing machine filter removes 99% of microplastics

The home appliance can easily generate as much as 500 grams of microplastics each year.

By Andrew Paul

NASA’s Hubble Space Telescope reobserved interstellar comet 3I/ATLAS Nov. 30, with its Wide Field Camera 3 instrument.
Space Telescope

Hubble Space Telescope caught a second glimpse of comet 3I/ATLAS

The interstellar object is still soaring through our solar system.

By Andrew Paul

a dancer with a bright green background (left) a black and white photo of a large turtle's profile.
Endangered Species

Ruby the turtle needs a new greenhouse. Dance companies are stepping up.

Conservation takes center stage.

By Laura Baisas

An old DC-6 cargo plane converted into lodging rests in the snow under a glowing aurora, its windows and engines illuminated against a dark, starry winter sky.
Aviation

A pilot turned an old plane into a two-bedroom apartment

Jon Kotwicki jokes that converting an aluminum plane in Alaska is the “worst idea that a person could possibly have.”

By Laura Kiniry

Close-up of the mass of rocks in the throat of Chromeornis (the rocks are the gray mass just to the left of the neck bones).
Dinosaurs

Why did this ancient bird die with tiny rocks in its throat?

The 120-million-year-old fossil may also be a choking hazard PSA.

By Andrew Paul

Sans air purifier and water purifier
Home

The Sans holiday sale drops prices on these editor-approved air purifiers and water purifiers

These high-end air and water purifiers don't go on sale often, but you can get a huge discount during this Black Friday sale.

By Stan Horaczek

two donkeys looking directly at the camera in a green field with a blue sky
Psychology

Why using a donkey to treat whooping cough makes sense

3,655 Irish folk cures show how folk remedies help our brains in uncertain times.

By Laura Baisas

Jackets on sale at REI
Outdoor Gear

REI is blowing out coats, jackets, and tons more clothing for clearance prices during its winter sale

Save on outdoor gear from Patagonia, Arc'teryx, Icebreaker, Outdoor Research, Mountain Hardware, and more during REI's annual sale.

By Stan Horaczek

a robot dog with elon musk's face
AI

Robot dog with Elon Musk’s head poops out AI generated art

The dystopian art installation features billionaires and Silicon Valley's elite.

By Mack DeGeurin

Frog eating hornet in cage
Insects

Pond frogs devour murder hornets, stinger and all

Insect venom means nothing to some amphibians.

By Andrew Paul

several full fish laying on ice. the fish are orange, white, and multicolored
Engineering

Afraid your fish is too fishy? Smart sensors might save your nose

Microneedles can tell when things start getting rancid long before we notice smells.

By Mack DeGeurin

Photograph of the fresco Trionfo della Morte, taken at its original location in the Camposanto Monumentale in Pisa. The fresco, known as the “Triumph of Death” and attributed to the painter Buonamico Buffalmacco, is not precisely dated; scholarly estimates range from 1335 to 1350. While it does not depict the Black Death explicitly, the selected detail shows victims of an epidemic from diverse social backgrounds, their souls carried off by demons.
Science

Medieval volcanoes may have ignited the Black Death

More than just rats and fleas added to the 'perfect storm' plague.

By Andrew Paul

A macro, close-up photograph of the bottom of a human nose, clearly showing the two nostrils and the texture of the surrounding skin. The eyes are closed in the background.
Ask Us Anything

Why we have two nostrils instead of one big hole

Our nostrils share the workload like coworkers on rotation.

By Sarah Philip

Portrait of monkey. Close-up monkey have a rest. Fooling around. Eating bananas. Thailand
Wildlife

The surprising world of animal penises and what they reveal about humans

It’s true-birds don’t have a penis.

By Michelle Spear / The Conversation

Arm in noninvasive glucose monitoring device
Diabetes

Goodbye, finger pricks? Diabetes patients could monitor glucose with lightwaves.

Future versions of the noninvasive prototype may be as small as a watch.

By Andrew Paul

Nov. 19 image obtained by Pau Montplet from Breda (Girona) using a C6 telescope at f:7. Original image is in the lower right inset, while a false color 0.6Âş wide Larson-Sekanina filtered image at 9Âş shows 3I in negative to remark the antitail pointing to the subsolar point, and several jets getting out from the false nucleus. Two additional arrows mark wavy structures in the jets. Image resolution is 0.7 arcsec/pix. Credit: arXiv (2025). DOI: 10.48550/arxiv.2511.19112
Deep Space

Infamous 3I/ATLAS comet is covered in ice volcanoes, surprising astronomers

It's still not aliens, but the interstellar comet keeps getting weirder.

By Andrew Paul

a mom and daughter camping with their dog. a tall mountain is in the foreground
Dogs

Pet dogs can help teens’ mental health

Dogs can increase bacteria that help teen brains and bellies stay in sync

By Laura Baisas

Close up of young rhesus macaque monkey eating peanut
Wildlife

Escaped lab monkey finds new home at New Jersey animal sanctuary

Forrest spent a week on the run in southeast Mississippi last October.

By Andrew Paul

close up of a cow in a pen, chewing dry grass
The Weirdest Thing I Learned This Week

Vintage vaccine skeptics thought medicine would turn kids into demon cows

Plus horror movie empaths and other weird things we learned this week.

By Popular Science Team

A dramatic, low-light photo of a person with dark skin against a blue background, experiencing intense distress or pain. They are clenching their jaw and holding their hands to the sides of their head, with blurred motion around their head suggesting movement, panic, or disorientation.
Mental Health

What happens to your body during a panic attack?

'Just breathe' is more than just a nice saying.

By Julia Daye