Read the latest articles from Popular Science (Page 621)

Plus, if you do need to stop, it counts down the time until it turns green for you.

It isn't always obvious what a kilogram of carbon emissions means to the average consumer.

Three new studies reveal the inner layers of Mars with data from NASA’s InSight lander.

Protect your device from vulnerabilities.

The peer-to-peer payment app announced updates to its social feed, privacy, and payment options.

Our emoji use reflects something important about the human condition.

The Humming Project documents the emotion behind a simple, universal tone.

It may be time to start simply moving out of the way.

Your obnoxious relatives will never know.

Experts are calling for changes ranging from the timing of events to the bidding process.

Moving around town has never been easier.

By combining two materials, researchers have made a solid that conducts heat like a gas.

A torch like the one in the Tokyo games is so much more than just a simple vessel for flame. This is how they spark into being.

Infected bugs can’t take the heat, and this may limit the spread of dengue fever.

A preliminary study shows that the J&J vaccine doesn't seem to produce as many antibodies in recipients as the mRNA options.

That's Checkmate, Mr. Bond: What to know about a mysterious new fighter jet out of Russia—and its superficial similarities to the F-35.

Supercharge your Kobo experience.

A new CDC report shows a nearly 30 percent increase in fatalities in 2020.

In the wild, you probably won't see many scorpions just hanging out in the sun.

Some of the most important elements may surprise you.