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The center of the image has the brightest pixel, indicating where the comet is. The next brightest shades in the image indicate areas where the instrument detected atoms of hydrogen coming from the comet. This hydrogen is released when sunlight heats the comet, causing its water ice to turn directly into vapor. Once released into space, the water molecules break apart into oxygen and hydrogen atoms.

New NASA images confirm comet 3I/ATLAS is not aliens

By Andrew Paul, Laura Baisas

Drone carrying AED in midair

Drones are delivering life-saving defibrillators to 911 calls

Fossilized fish skull attached to fossilized digestive tract

Decapitated fish fossils depict Late Jurassic food chain

a piece of sliced turkey on a white plate with a side of mashed potatoes, stuffing, and green beans. a dish of cranberry sauce is on the left side

Tired of turkey? Try gene edited, meat-like fungi.

By Mack DeGeurin

A kid playing with a 3Doodler handheld 3D printer

The 3Doodler is a handheld 3D printer that makes a great gift and it’s only $40 at Amazon for Black Friday

By Stan Horaczek

A close-up photograph of a vibrant yellow snake, coiled around a horizontal brown branch. The snake, a white-lipped island pit viper, has reddish accents on its tail and is looking directly at the camera with large, bright eyes, set against a softly blurred green and blue background.

Ask Us Anything

How do snakes move? It’s not all slithering.

By Clarissa Brincat

Andy the goose who sports specially designed sneakers fashioned by Gene Fleming of Blue Ribbon Sports Co. riding miniature bicycle w. umbrella attachment on road; Fleming crouching down beside him. (Photo by Keith Philpott/Getty Images)

The Weirdest Thing I Learned This Week

A footless goose was at the heart of a 1990s murder mystery

By Popular Science Team

Black Friday smart home gear deals

These are the best Amazon Black Friday deals on smart home gear and they’re live right now

By Stan Horaczek

A JBL 500MK2 soundbar, wireless subwoofer, and remote on a grey Amazon Prime Black Friday background

🔊 Get a JBL Dolby Atmos soundbar + subwoofer system for as little as $499 during Amazon’s Early Black Friday sale

Front and back of Omega penny design

The U.S. Mint is auctioning the last pennies—and they could sell for millions

Man listening to headphones while writing at desk

Humans sync their blinks and brain waves to a song’s beat

Breville smart oven with a turkey inside

Save $100 or more off Breville smart ovens during Amazon’s Black Friday sale and cook Thanksgiving dinner with ease

By Stan Horaczek

Close up of glossy black wolf snake

Endangered Species

New wolf snake honors the late Steve Irwin

Scanning electron microscopy image of the engineered 3D bone marrow tissue colonized with human blood cells (red). Andrés García García, University of Basel, Department of Biomedicine

New lab-made bone marrow model is a bioengineering first

By Laura Baisas

A plate filled with a traditional holiday meal, featuring sliced roasted turkey breast, a scoop of stuffing, green beans, diced sweet potatoes, and a spoonful of cranberry sauce, all resting on a white plate set on a rustic wooden table.

Can one big meal really make you gain weight?

By Jennifer Byrne

Close up of Calumma gallus chameleon. Males of Calumma gallus have a nasal appendage with distinct spines.

Endangered Species

No lie. The long-nosed Pinocchio chameleon is multiple species.

Thule, REI, and Osprey bags against a nice background of rocks.

REI’s anti-Black Friday sale: Get editor-approved hiking bags and backpacks for clearance prices

By Stan Horaczek

a baby chimp on an adult chimpanzee's back

Chimpanzees’ brutal battle for territory leads to a baby boom

By Laura Baisas

A bunch of black, white, blue, and pink Sony WH-1000XM5 wireless headphones on a gray Amazon Black Friday background

The wireless headphones and speakers you wanted all year are up to 40% off during Amazon’s Early Black Friday sale

Close up of replica of silver goblet from Near East engraved with sun god

4,000-year-old silver goblet tells a tale of chaos and order

Parasite ant queen amid worker ants as they attack their own queen

Violent queen ant coup staged by parasitic ants

A close-up shot of an Asian woman with dark hair looking intently into a mirror, touching both sides of her face with her hands. Her expression is concerned or thoughtful, and she appears to be examining the skin or puffiness under her eyes. The background is bright and dominated by the reflection of a bathroom or vanity.

Ask Us Anything

Why we get dark circles and eye bags

By RJ Mackenzie

Cropped shot of people holding beer glasses celebrating in the summer camping party outdoor. Friends clinking bottle of beer during camping outdoor

3 common alcohol myths, debunked

How to cancel Netflix, and what happens when you do

a small brown and white owl on a brown towel

Alaska’s smallest owl gets the royal treatment after life-threatening injury

By Margherita Bassi

Laptop deals for early black friday deals

Walmart’s early Black Friday laptop deals including a full-fledged gaming PC for $499

By Stan Horaczek

a humpback whale follows two dolphins

13 dizzying and dazzling images from 2025 Drone Photo Awards

By Popular Science Team

Man with his head down on his desk in front of laptop from stress

The 100 life decisions people dread most, according to psychologists

Samsonite Samsonite Omni 2 Hardside Expandable Luggage, 3-Piece Set (19/24/28), Lagoon Blue — $190

Amazon is blowing out Samsonite luggage for clearance prices in time for holiday travel

By Stan Horaczek

a gloved hand scraping a frosty windshield

Need to melt ice? Try high voltage metal

By Mack DeGeurin

Scuba diver investigating propellor of WW2 aircraft crash underwater

80 years ago, a WWII B-17 bomber crashed in the Baltic. Scientists are finally learning who was onboard.

People wearing cool jackets that are on sale for REI's Anti Black Friday sale

REI is blowing out jackets and coats from The North Face, Cotopaxi, Smartwool and more during its anti-Black Friday sale

By Stan Horaczek

The frozen carcass of a 39,000-year-old female woolly mammoth named Yuka from the Siberian permafrost is displayed for an exhibition in Yokohama, suburban Tokyo on July 12, 2013 at a press preview before the opening.

Oldest known RNA found in 40,000-year-old woolly mammoth leg

Nanoleaf TV lighting setup in a home with immersion on sale at Walmart

Walmart is blowing out Nanoleaf smart lighting cheaper than any other retailer during its early Black Friday sale

By Stan Horaczek

A close-up, shallow depth-of-field photograph of a person's hand holding a sleek, silver pen, poised to write on a crisp white piece of paper resting on a light wooden surface. The background is brightly blurred.

Ask Us Anything

Why are most people right-handed?

By Clarissa Brincat

Beats Solo Buds arranged in a pattern against a cloudy sky

Go grab these Beats wireless earbuds for $39 before they sell out during Walmart’s early Black Friday sale

By Stan Horaczek

a catering table set up with large plates of food

Gastronomists study 100 years of menus to reveal food’s political power

By Laura Baisas

two black whales under water. one is diving down the other is looking at a camera head on

Hawaii’s short-finned pilot whales eat over 77,000 squid a year

By Laura Baisas

A bunch of Mineral White LS50 Wireless II speakers pairs on a background

Save $500, even $1,000 on big audio upgrades during the KEF Holiday Savings Event

male hands holding an open wallet

The new iPhone feature that could make wallets obsolete

By Mack DeGeurin

Microrobot capsule on tip of finger close up

These tiny robots swim through your blood to fight strokes

Glass openwork vessel excavated at Cologne dating to around 350–400 CE with an image of an inscription on the right. Inscription: BIBE MVLTIS ANNIS (Drink [may you live] for many years!). Credit: State Collection of Antiquities and Glyptothek, Munich. Photos by Christa Koppermann

Ancient Rome’s fanciest glasses are full of cryptic symbols

This artist’s impression shows a star going supernova. About 22 million light-years away the supernova, SN 2024ggi, exploded in the galaxy NGC 3621. Using the ESO’s Very Large Telescope, astronomers managed to capture the very early stage of the supernova when the blast was breaking through the star’s surface. Observing the breakout so early on — 26 hours after the supernova was first detected — revealed its true shape. The supernova broke out in an olive-like form. This marks the first ever observation of the shape of a supernova explosion at this very early stage.

Space Telescope

Newborn supernova spotted only hours after its explosive birth

Pin, Blue, and Yellow Ninja Crispi air fryers on a green background

The Ninja Crispi air fryer we use all the time is on sale for Amazon Early Black Friday

man holding a radio shouting 'what is human composting'

Ask Us Anything

What is human composting?

By Popular Science Team

Philly’s ‘transit vigilante’ created a real-time bus tracker for his neighbors

By Laura Kiniry

JBL Party speaker sitting on a patio having a karaoke party

Get a JBL party speaker at its lowest price in months during Amazon’s Early Black Friday sale

De'Longhi espresso machine deals black Friday

Save up to $500 off De’Longhi espresso machines and coffee makers during Amazon’s early Black Friday sale

By Stan Horaczek

man holding a radio yelling 'why do we get goosebumps'

Ask Us Anything

Why do we get goosebumps?

By Popular Science Team

Close up of Egyptian ceramic vessel with inscriptions

Opium may have been a daily habit for Ancient Egyptians

This artist’s impression shows a coronal mass ejection (CME) around another star.

A star unleashed a planet-destroying flare

hands holding forensic evidence slip in front of moss

Moss can be a key witness in murder investigations

Sperm whales swimming in clear water

Sperm whales use vowels like humans, new study finds

By Laura Baisas

A fluffy orange and white cat is curled up and lounging inside a small, low-sided cardboard box that is lying on a wooden floor, looking directly at the viewer with a relaxed expression.

Why do cats love boxes? Evolution has an answer.

By RJ Mackenzie

Apple watches on sale at Amazon

Get an Apple Watch for as low as $159 during Amazon’s early Black Friday deal

By Stan Horaczek

a teenage boy holds a robotic hand made out of legosUniversity of Bristol/Jared Lepora

Teen designs and builds a robotic hand with only LEGOs

By Margherita Bassi

person petting a turtle

Endangered Species

Trafficked turtles get a second chance at life in New Jersey sanctuary

By Laura Baisas

A blue Bird Buddy bird feeder mounted to a post on a front porch.

Take 50% off the best smart feeder with Bird Buddy’s Early Black Friday Deals

Swedish silver medieval coins in a pile

Fisherman searching for worms finds 20,000 medieval silver coins

Ride1up Revv 1 bike ridden next to a running dog

Get an ebike to fit your ride style and budget with Ride1Up’s Early Black Friday deals

An octopus camouflages itself with the seafloor.

What octopus camouflage has to do with sunscreen

By Margherita Bassi

Comet 3I/ATLAS streaks across a dense star field in this image captured by the Gemini Multi-Object Spectrograph (GMOS) on Gemini South at Cerro Pachón in Chile, one half of the International Gemini Observatory, partly funded by the U.S. National Science Foundation (NSF) and operated by NSF NOIRLab. This image is composed of exposures taken through four filters — red, green, blue and ultraviolet. As exposures are taken, the comet remains fixed in the center of the telescope’s field of view. However, the positions of the background stars change relative to the comet, causing them to appear as colorful streaks in the final image. See a version of the image where the stars have been “frozen” here. These observations of Comet 3I/ATLAS were conducted during a Shadow the Scientists program hosted by NSF NOIRLab. A full recording of the session can be found here.

3I/Atlas isn’t deep space aliens and didn’t ‘change color’

a sunrise over a desert landscape

13 perfect panoramic images from the 2025 Epson International Pano awards

By Popular Science Team

screenshot of google photos

How to back up all your photos and videos to Google Photos