Read the latest articles from Popular Science (Page 40)

Illustration of Spicomellus dinosaur
Evolution

Stubby dinosaur took spikey armor to the extreme

Spicomellus may have been the first ankylosaur to wield its signature club tail.

A black-and-white tegu lizard at Iguazu Falls, the waterfalls of the Iguazu River on the border between Brazil and Argentina.
Pets

Summer 2025’s hottest stars were escaped lizards

At least three large reptilian pets went on the lam this year.

A long-exposure photograph of a night sky, showing the circular motion of stars as white streaks of light. The star trails radiate out from a central point, with some appearing thicker and brighter. In the lower part of the frame, the dark silhouette of a forest of evergreen trees is visible against the night sky.
Space

What, exactly, is space-time?

The way we talk about space-time shapes how we imagine time travel, multiverses, and the very nature of existence.

a clear squid like creature dotted with small orange circles
Ocean

9 other worldly images of ‘The Radiant Sea’

The creatures of the deep are on full display.

baby sea turtle on the beach
Ocean

Tracking sea turtles is a long, slow process that just might keep them alive

This summer’s hatchlings won’t be back on land for 30 years. It’ll take at least that long to know how global warming is changing them.

A rider on a Priority Gemini Smart.Shift gravel bike about to ride down a gravel path on a green hill.
Outdoor Gear

Save cash as you shift gears to shoulder season with Labor Day bike sales

Summer's heat is burning off, fall's rhythm is kicking in, and bike prices are temporarily lower.

You don't have to stick to one channel on YouTube.
Tech Hacks

How to set up multiple YouTube channels, and why you should

Whether you're watching videos or starting your content creation journey, it's a good idea to set up multiple YouTube channels.

The full moon also known as Blood Worm Moon during a total lunar eclipse, in Mexico City, Mexico on March 14, 2025.
Space

September stargazing: A blood moon, Venus vs Jupiter (Round Two), and a new season

Fall officially arrives in the Northern Hemisphere on September 22.

An alternating grid of cream Marshall Stanmore III speakers and black Marshall Major V wireless headphones on a white background
Audio

Marshall’s retro-cool speakers and headphones are up to 38% off for a limited time

Just because it's sweater weather doesn't mean you have to stop blasting the hot new tracks. Upgrade your personal audio during Amazon's limited-time Labor Day sale.

A small spider with a patterned body and striped legs sits in the center of a perfectly constructed, glistening orb weaver's web. The delicate, symmetrical web is in sharp focus, while the background is a soft, muted green.
Spiders

Spiderweb silks and architectures reveal millions of years of evolutionary ingenuity

Spider webs are as varied as the creatures that weave them.

two park rangers sink in a cardboard boat
Science

Ready, Set, Paddle! Scenes from The Great Salem Maritime Cardboard Boat Regatta

The annual cardboard boat race in Salem, Massachusetts made a real splash.

White and purple Dyson air purifiers titled and tiled against a white background
Home

Dyson air purifiers are up to $150 off for Labor Day

If you're looking to refresh your air and appliances, check out these limited-time Amazon deals on air purifiers.

A screenshot of the Cassette app for digitizing old videos
Tech Hacks

This app recreates the magic of VHS tapes and home movies with your iPhone videos

Cassette gives your iPhone videos an old-school look while helping dig out old clips and memories you may have forgotten about.

Purple RejuvenatePremier premium mattress on a wooden bed platform
Home

Time to upgrade your sleep from “meh” to magnificent with Labor Day mattress deals

Samsung T7 SSD deal headerSam
Computers

If you edit photos or videos, you need this 1TB SSD on sale for $79 at Amazon for Labor Day

This 1TB drive is usually $110 and it's essential gear if you're a content creator or just an avid photo nerd.

Miya the dog swims through sargassum floating on the surface of the ocean on May 18, 2023 in Key West, Florida. The sargassum spanned more than 5,000 miles.
Ocean

7 wild photos. 40 years of data. 1 smelly seaweed story.

The Atlantic's annual Sargassum blob reached a record biomass of 37.5 million tons this year.

Mother and child orangutan in tree nest
Endangered Species

Baby orangutans spy on mom to build cozy treehouse nests

Practice (and play) makes perfect.

Stanley water bottle in front of plants
Fitness Gear

Stanley’s viral water bottles are up to 30% off and cuter than ever

Thirsty for deals? Stanley, known for ultra-durable drinkware, is offering up to 30% off select bottles & colorways for a limited time.

a mule with a brown coat runs in a pen with other mules
Animals

Meet the chonky, hard-working mules of Olympic National Park

Roughly 1,000 pounds, these sturdy hybrids can carry 20 percent of their body weight.

A low-angle view of a vast, complex airport baggage handling system. Two suitcases, one black and one gray, move along a blue conveyor belt. The belts snake through a brightly lit, cavernous space with industrial ceilings, surrounded by a network of other green and yellow conveyor belts and metal structures. Two airport workers in high-visibility vests are visible in the distance, observing the operation.
Technology

What really happens to your bag after you check it in?

It’s a wild ride from check-in to cargo hold.