Read the latest articles from Popular Science (Page 75)

stars with zoom in on asteroid
Space

How do scientists calculate the probability that an asteroid could hit Earth?

The chance of 2024 YR4 hitting Earth went as high as 3.8 percent.

screenshot of snapseed on iphone
Tech Hacks

Google’s forgotten iPhone photo editor just got a huge update

The Snapseed app has been revitalized, and it’s better than ever on iOS.

The best swivel recliners of 2024 on a plain white background.
Home

The best swivel recliners in 2025

These comfortable, movable chairs will allow you to comfortably reposition yourself with ease.

21 March 2022, Baden-Wuerttemberg, Singen Am Hohentwiel: After the overnight fire at the Peace Church downtown, the fire flared up again in one spot this morning. The fire department fights the small fire with extinguishing foam Photo: Felix Kästle/dpa (Photo by Felix Kästle/picture alliance via Getty Images)
Pollution

Firefighting foams contain toxic PFAS. Could soybeans be the answer?

The surprising "win-win" for farmers and fire departments.

an illustration showing several dinosaur species walking in a line
Dinosaurs

A dinosaur ‘tombstone’ lurks underneath New Jersey

Visitors to a new museum and fossil park can dig for buried end-Cretaceous treasure.

a leopard in a forest in myanmar
Endangered Species

Elusive and critically endangered leopard caught on camera

The exciting find confirms that the spotted big cat still exists in parts of Bangladesh.

Portrait of a Southern Pacific Rattlesnake (Crotalus viridis helleri).
Wildlife

Spring rain could mean more rattlesnake bites

But you still shouldn't blame the snakes.

Birdfy smart bird feeders on a plain background
Home

Our favorite budget smart bird feeder is cheaper than it has been all year at Amazon

These solar-powered bird feeder cameras capture detailed videos of feathered visitors while providing them a healthy snack.

gray rocks under a blue sky
Science

Earth’s oldest rocks date back 4.16 billion years

The Canadian rocks have withstood the test of time.

a small, inflated red ballon simulating an egg is surrounded on one side by multiple deflated balloons of various colors simulating sperm
Medicine

Should I freeze my sperm? Men consider their ‘sixth vital sign.’

Concern about fertility prompts men to put their swimmers on ice.

Drawer for recycling electronics
Pollution

Your outdated tech might be a ‘goldmine’

A compound commonly used to disinfect water can strip gold off devices without using highly toxic substances.

A composite image of the Andromeda spiral galaxy
Deep Space

NASA offers dazzling new sights (and sounds) of the Andromeda galaxy

The spiral galaxy is the Milky Way’s closest neighbor.

An artistic reconstruction of Swaindelphys. it has black fur, pointy pink ears, and pointy nose, and very large brown eyes
Wildlife

Shockingly large extinct possum uncovered in Texas

‘Since everything is bigger in Texas, this is perhaps not surprising.’

Study image of mammoth tusk boomerang with size reference
Archaeology

Humans hurled massive mammoth tusk boomerangs 40,000 years ago

At almost 2.5 feet long, the ivory weapon wasn’t designed to return to the user.

several baby turtles all crowded together
Wildlife

3,427 trafficked baby turtles rescued in Mexico

Meso-American sliders are often victims of the black market animal trade.

Nikon Metcon 8 crossfit shoes
Fitness Gear

How to tie your shoes (for every activity)

Because the wrong knot can ruin your run or your whole day.

eight chipmunk specimens with tags on them in a museum collection
Evolution

City living is changing rodent skulls in Chicago

‘Museum collections allow you to time travel.’

a device on the seafloor
Engineering

How listening to light waves could prevent subsea cables sabotage

Optics 11 claims its underwater surveillance system can keep constant tabs on ships while remaining undetected. 

a team of five scientsts paddle a dugout canoe that is a replica of one used 30,000 years ago
Archaeology

Ancient canoe replica recreates a 30,000-year-old voyage

East Asian Paleolithic voyagers may have used dugout canoes to cross one of the strongest currents in the world.

Black and white portrait of Albert Einstein
Physics

Einstein’s letter to Japan about atomic bomb fails to sell at auction

'To kill in war time, it seems to me, is in no ways better than common murder.'