Read the latest articles from Popular Science (Page 790)

These ancient trilobites are forever frozen in a conga line
Animals

These ancient trilobites are forever frozen in a conga line

We can’t tell if they were dancing, but we can learn something about their social lives—up until their untimely deaths.

Wild burros on a dry lake bed
Animals

Does Death Valley have a wild ass problem?

The national park’s exotic donkeys might not be the nuisance we thought they were.

Here’s how life could thrive on a planet orbiting a black hole—and other alternative suns
Black Holes

Here’s how life could thrive on a planet orbiting a black hole—and other alternative suns

The universe is full of warm bodies. Why should life limit itself to sun-like stars?

Watch the first all-female spacewalk live
International Space Station

Watch the first all-female spacewalk live

NASA will stream the historical event early on Friday morning

What has hundreds of sexes and excels at math? This is Slime Molds 101.
Science

What has hundreds of sexes and excels at math? This is Slime Molds 101.

Slime molds are not new, but they're worthy of your attention.

Global warming is forcing species to reorganize their ecosystems
Climate Change

Global warming is forcing species to reorganize their ecosystems

While the number of species at a given location is staying relatively the same, who is present is changing fast

Gender and class inequalities haven’t really changed for 4,000 years
Archaeology

Gender and class inequalities haven’t really changed for 4,000 years

DNA from tooth enamel helped scientists trace where humans grew up and how they spent the rest of their lives.

How to keep screen light from disrupting your sleep
Health

How to keep screen light from disrupting your sleep

Blue-light filters aren’t going to get you those zzzs.

2019 has been a record-breaking year for this rare, deadly virus
Diseases

2019 has been a record-breaking year for this rare, deadly virus

The Eastern equine encephalitis virus has spread to humans in eight states.

A fox attacking a marmot
Wildlife

The most astonishing wildlife photos of 2019 range from meme-able to political

Have you ever seen a colony of garden eels? What about a spider that looks like a crab that looks like an ant?

An experiment hinted at Martian life in the ’70s. So why did we stop looking?
Mars

An experiment hinted at Martian life in the ’70s. So why did we stop looking?

The truth is out there.

Hate raking leaves? There’s an easier method.
Environment

Hate raking leaves? There’s an easier method.

Your lawn might even benefit from the fallen foliage.

Get into airport lounges and travel like a boss
Life Skills

Get into airport lounges and travel like a boss

Waiting has never been so glamorous.

The weirdest things we learned this week: Deadly rainbows, face blindness, and mysterious pink snow
The Weirdest Thing I Learned This Week

The weirdest things we learned this week: Deadly rainbows, face blindness, and mysterious pink snow

Our editors scrounged up some truly bizarre facts.

Here’s what would happen if you worked out like a strongman
Fitness & Exercise

Here’s what would happen if you worked out like a strongman

Check yourself before you wreck yourself.

7 science fiction inventions that became reality
Science Fiction

7 science fiction inventions that became reality

Sci-fi authors wanted to prevent dystopian futures. Instead they predicted them.

Four ways to make beef more sustainable
Environment

Four ways to make beef more sustainable

A few ways we could reduce greenhouse gas emissions and still eat steak.

Behind the looking glass of the world’s biggest telescope
Technology

Behind the looking glass of the world’s biggest telescope

It will take University of Arizona scientists a year to polish each 18-ton mirror. They plan to finish by 2028.

What astronaut diaries tell us about the perils of a mission to Mars
International Space Station

What astronaut diaries tell us about the perils of a mission to Mars

People will put up with a lot to achieve a first—but a researcher warns against a longer route to the Red Planet.

Among Hurricane Harvey’s many bad effects: riskier childbirth for women
Health

Among Hurricane Harvey’s many bad effects: riskier childbirth for women

A new study of Hurricane Harvey data shows how much havoc big storms wreak on newborns.