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An astronaut in a white spacesuit floats in space above Earth, holding a handmade sign that reads “FOR SALE” in large pink letters. Reflections of space equipment and Earth are visible in the astronaut’s helmet visor, and part of a space shuttle is seen behind them with the blue curve of Earth in the background.

The space billboard that nearly happened

products on a page that says best of what's new 2025

Best of What's New

The 50 greatest innovations of 2025

By Popular Science Team

An assortment of EF ECOFLOW portable power stations on sale at Amazon

Save hundreds on EF ECOFLOW solar generators and portable power stations with this limited Amazon deal

By Stan Horaczek

Close up of Nazca booby bird

Female Galápagos birds flaunt their sexual partners. The males don’t seem to mind.

Polaroid I-Type camera with a print coming out

The latest Polaroid instant film camera is down to just $99 at Amazon making it a killer holiday gift

By Stan Horaczek

Underhammer 18th century pistol on table

Rare 19th century pistol used to rob Tulsa liquor store

An ancient Pompeii wall at a newly excavated site, where Associate Professor Admir Masic applied compositional analysis (overlayed to right) to understand how ancient Romans made concrete that has endured for thousands of years.

Pompeii’s ruins challenge Rome’s famous concrete recipe

a gold coin with a ship and queen elizabeth i etched into it

Elizabethan era gold coin sold for record-breaking price

By Laura Baisas

An international team of researchers used the European Space Agency's XMM-Newton and XRISM, a JAXA-led mission with ESA participation, to uncover and study a never-seen-before blast from a supermassive black hole. The gravitational monster whipped up powerful winds, flinging material out into space at eye-watering speeds of roughly 37,282 miles (60,000 kilometers) per second.

Supermassive black hole belches 30,000-miles-per-second winds

By Laura Baisas

a man and woman wearing ororo heated gear with heated gloves

Amazon dropped Ororo’s heated jackets, vests, and gloves to prices lower than Black Friday

By Stan Horaczek

Electric plane flying over green mountains

Air New Zealand tests a new generation of electric planes

coins in a jug at an archaeologist dig

40,000 Roman-era coins discovered in French village

By Laura Baisas

Denman Glacier in Antarctica

Underwater robot survives voyage to ‘never-accessed region of the planet’

Artistic impression of Nova V1674 Herculis. Credit: The CHARA Array

Space Telescope

Pair of exploding stars baffle astronomers

white urinals separated by green plants

Swiss startup turns urine into plant fertilizer

By Margherita Bassi

A young person bundled in a green winter jacket, gray knit hat, and blue gloves is standing outside in the snow. They are shivering, with their arms crossed tightly and a nervous or cold expression, with their tongue slightly visible.

Ask Us Anything

What is shivering? Why our bodies shake when it’s cold.

By Laura Kiniry

person holding a phone

You’re not making the most of the clipboard on your Android phone

Breville espresso and coffee machines

Upgrade your home espresso game with these holiday deals on Breville machines

By Stan Horaczek

a dead sperm whale floats among ice while a polar bear floats on the whale

5 captivating images from National Geographic’s Pictures of the Year

By Popular Science Team

Endangered Species

German hairy snails are disappearing from London’s River Thames

By Margherita Bassi

A close-up, colorized photograph of a middle-aged man with a stern expression and a thick, reddish-brown beard. He is superimposed over a faded, beige background of densely printed, historical text, suggesting he is a figure related to the document's content, which appears to discuss Cattalo or Beefalo (a cow and buffalo hybrid), based on the filename.

The strange Wild West tale of the first cow-buffalo hybrid

By Bill Gourgey

This is a type of animal that is related to land spiders but does not belong to that group. They can grow to the size of a palm in the deep sea around Antarctica, but this particular species is only a few millimeters in size Photo: Natural History Museum, London & Göteborgs universitet

Deep sea mining test uncovered multiple new species

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

Sardine-inspired washing machine filter removes 99% of microplastics

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

Endangered Species

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

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.

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

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).

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

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

Why using a donkey to treat whooping cough makes sense

By Laura Baisas

a robot dog with elon musk's face

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

By Mack DeGeurin

Frog eating hornet in cage

Pond frogs devour murder hornets, stinger and all

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

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

By Mack DeGeurin

Jackets on sale at REI

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

By Stan Horaczek

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.

Medieval volcanoes may have ignited the Black Death

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

By Sarah Philip

Arm in noninvasive glucose monitoring device

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

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 0.6º wide Larson-Sekanina filtered image at 9º 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

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

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

Pet dogs can help teens’ mental health

By Laura Baisas

Close up of young rhesus macaque monkey eating peanut

Escaped lab monkey finds new home at New Jersey animal sanctuary

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

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.

What happens to your body during a panic attack?

1804 dollar seen from the front and back of the coin.

A long lost silver dollar may be worth $5 million

Martian landscape taken by rover

How to tell time on Mars

a scared man with several dental tools in his mouth

Quieter dental drills may be on the horizon

By Laura Baisas

Ants checking pupa cocoon against white background

Sick baby ants sacrifice themselves to save their colony

Canon T7 DSLR header

The Canon T7 DSLR camera is down to its lowest price ever at Amazon for a limited time

By Stan Horaczek

a couple riding bikes in the pouring rain while holding umbrellas

What does ‘chance of precipitation’ really mean? A meteorologist explains.

By Laura Baisas

Large green anaconda in grass

Anacondas have been huge for over 12 million years

Helly Hansen Cascade HELLY TECH Waterproof Mid-Cut Hiking Boots on the Bruviknipa trail in the fjords northeast of Bergen, Norway

2025 holiday gifts guide: 20+ editor-approved presents for the hikers on your list

A dress inspired by the paradise riflebird, uses a new ultra-black fabric created in Cornell University’s Responsive Apparel Design Lab.

The darkest fabric ever made is now a dress

By Laura Baisas

A brightly coloured illustration which can be viewed in any direction. It has many elements to it working together: men in suits around a table, someone in a data centre, big hands controlling the scenes and holding a phone, people in a production line. Motifs such as network diagrams and melting emojis are placed throughout the busy vignettes.

How to glimpse a pre-AI internet

Edifier 1280DB powered desktop speakers on a dark blue Cyber Monday background

It’s last call on Cyber Monday desktop speaker deals, so don’t miss out

Medieval grave slab made from Purbeck stone in museum exhibit case

Medieval shipwreck mistaken for underwater ‘rubbish’

an orange cat sits on ancient ruins

Roman military helped bring cats to Europe

By Laura Baisas

Lego cyber monday deals

Walmart’s Cyber Monday deals drop dozens of Lego sets to clearance prices

By Stan Horaczek

HexClad pots and pans on sale for Cyber Monday

Amazon’s Cyber Monday deals on HexClad cookware allow you to splurge responsibly

By Stan Horaczek

A close-up film still of a fictional dinosaur, the Dilophosaurus, from Jurassic Park, aggressively facing the camera with its mouth open, showcasing its sharp teeth and a large, vibrantly colored frill flared around its head. The scene is dark and misty.

Ask Us Anything

Were there any venomous dinosaurs?

By Andrew Coletti

White, Black, and Blue Bose QuietComfort headphones on a dark blue Cyber Monday background

These Bose noise-canceling headphones have never been cheaper, just $179 for one day only

Eddie Bauer First Ascent gear on sale at Cyber Monday

Save 50% off Eddie Bauer First Ascent winter jackets, hoodies, and more for Cyber Monday

By Stan Horaczek

Netvue by Birdfy bird feeder cameras

Amazon slashed Birdfy smart bird feeder cameras to their lowest prices ever for Cyber Monday

By Stan Horaczek

Therabody gear on sale for Cyber Monday at Amazon

Amazon is blowing out Therabody massage guns and recovery gear for clearance prices on Cyber Monday

By Stan Horaczek

Greenworks yard tools on sale at Walmart for Cyber Monday

Walmart just dropped the lowest prices of the year on Greenworks electric yard tools with its Cyber Monday deals

By Stan Horaczek

Celestron telescope cyber monday deals

Amazon’s Cyber Monday deals on Celestron Telescopes make this a perfect time to start stargazing

By Stan Horaczek

Belkin charging accessories cyber monday deals

Amazon just dropped Cyber Monday prices on dozens of Belkin charging accessories during its Cyber Monday sale

By Stan Horaczek

Huckberry sneakers on sale for Cyber Monday

Huckberry dropped prices on Hoka sneakers, camping slippers, and other outdoor footwear for Cyber Monday

By Stan Horaczek