Read the latest articles from Popular Science (Page 644)

Don't download an app you're going to use once. Save yourself the trouble.

Laughing says, "I'm only play-biting you, not real-biting you."

That recording might sound funny to you, but others tuning in might not think so unkindly.

Big Ag is ruining our air, water, and land. Where do we go from here?

Vaccinated parents and guardians are no longer required to wear masks everywhere they go. But should they?

The robot-staffed, windmill-powered Dutch port poised to become the most efficient cargo handler ever.

A tale of drones hunting Dorner may have made headlines, but it isn't true. What is true is that police have used drones to hunt suspects before.

As clocks got more accurate, we had to redefine the second.

Many hopefuls have signed up for a one-way ticket to the red planet. But if they aren't prepared, the trip may be a short one.

More than 200,000 aspiring space explorers volunteered for a one-way trip to Mars. Are they insane?

Spaceman documents Mike Massimino's unlikely journey from fire inspector's son to elite astronaut

There may be much more coral diversity out there than previously thought.

Researchers used Halloween SFX to simulate the Martian south pole in springtime.

The state aims to cut a quarter of its carbon emissions by 2025.

A new prototype scout drone can be printed for less than the cost of the latest iPhone

Here comes the dirt bike, beware of the dirt bike.

New autonomous vessels possible within a decade.

In a small desert ceremony, the military prepared to defend the heavens

The United States uses a whole arsenal of tools to carry out the targeted killing policy detailed in a recent DOJ memo. Why is everyone focusing on drones?

And everyone else.