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a brown bear eating a piece of salmon in a river
Bears

Fat Bear Week champion Chunk spotted taking a stroll in Alaska

Weighing an estimated 1,200 pounds, the dominant brown bear clinched the 2025 crown.

two meteors falling in a starry sky over mountains
Moons

May skygazing: A blue moon, fading comet, and a lot of meteors

Two full moons in one month occurs about once every 2.5 years.

a table tennis racket and some yellow table tennis balls describing a trajectory on a pale green background
Robots

Table tennis robot defeats some of world’s best players

Why this has major implications for robotics.

Close up of hands typing on laptop
Security

Promising browser extension wants to save you from password hell

HIPPO isn’t publicly available yet, but it may be the future of digital security.

a white graphing calculator
AI

Texas Instruments’ newest calculator is intentionally dumb

The $160 device is not powered by AI, won’t send annoying notifications, and can’t connect to Wi-Fi.

Blue solar power car driving up hill
Electric Vehicles

Man builds solar-powered car from e-bikes that can hit 30 mph

A YouTuber taught himself soldering to built his remarkable ride.

Pile of medieval stone cannonballs
Weapons

Medieval cannonballs and WWI bomb discovered under construction site

The weaponry highlights a coastal Belgian city’s longtime strategic location.

a chicken with brown and white stripes and large orange sacks on the sides of its head
Endangered Species

A rare prairie chicken shakes his butt all day to attract ladies

However, this dance is an older male’s game.

CHICAGO - AUGUST 16: A walkway is visible along a side of the city of Chicago City Hall's rooftop garden August 16, 2006 in Chicago, Illinois. The garden sits on the top of the 11-story city hall building and was first planted in 2000. The city says the rooftop garden/green roof consists of upwards of 100 species of growth in almost 20,000 plants. Two trees, shrubs and vines can also be found there. (Photo by Tim Boyle/Getty Images)
Sustainability

The huge, untapped potential of planting rooftop gardens in cities

To adapt to a rapidly warming world, metropolises are looking to green roofs, which boost biodiversity and reduce temperatures and flooding.

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Popular Science has been demystifying the worlds of science and technology since 1872. We explain the inner workings of the phone in your pocket, explore world-changing innovations, and examine everything from the marvels of deep space to the secret lives of staples like bread. We deliver an engaging, approachable, and inclusive look at emerging technologies and scientific advances.
Daily, Popular Science unpacks the science behind the top current new stories, dissects the latest technology and digital trends, and helps readers live smarter, safer, and happier through clever DIY projects.

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