Read the latest articles from Popular Science (Page 1261)

To get an idea of the color or size of an object on Mars, it helps to have a point of reference.

This unusual cookie-dough-looking clump of Martian soil, never before seen, hints at a watery past or a major crater-causing impact.

Plenty of galaxies look like letters, so why not use them as letters?

A mathematics professor issued an urgent warning about football in 1894. America ignored him.

The genders are more alike than they are different, with one notable exception.

March 17, 1927, to be exact.

A 180-pound, 8.5-foot-long Frankencycle

To fight deadly white nose syndrome, The Nature Conservancy has built an artificial cave, which now awaits its first tenants.

Software can parse real images or skillful art, but Pictionary-like scribbles -- the way most of us draw -- are harder to understand.

But it's a real, brand-new monkey, discovered in the Democratic Republic of the Congo--only the second new monkey species in the past 28 years. Meet the lesula.

We look into the mathematics of alternative medicine.

Guess which president was the most psychopathic, er, fearless, of all?

A short history of the automobile's biggest life saver

Curiosity's hand-cam snaps some new photos that put Instagram filters to shame

The latest models come with A/C, shark paint jobs and quick-scuttle technology to easily sink the ship (and the drugs inside them)

"Static electricity charged barbed wire fences, stalled automobiles, and made men’s and women’s hair stand on end"

And now less terrifying (sort of)

Reading might make you smarter, but it also gives your brain a cognitive workout that it doesn't otherwise get

Timelapse video shows wildfires across the U.S., as seen from space