A Field Guide To The Imaginary Beasts, Cryptids And Monsters Of America

Just in time for Halloween, here's a guide to the lesser-known imaginary creatures that plague the small towns, cities, and wilds of America, ranging from a haunted truck that travels the backroads to Maryland's own dragon, drawn from your submissions. » 10/29/14 5:05pm Wednesday 5:05pm

Why You Think You Know Things That You Really Don't

At first blush, it would seem that not knowing something would make us correspondingly uncertain. Instead, however, it sometimes has the opposite effect, with people not only professing to know something, but even making up an explanation and holding fast. Here's why — and how — that works. » 10/28/14 10:45am Tuesday 10:45am

Now, THIS Is How You Do Halloween. It's io9's Halloween Costume Show!

Happy Halloween week, folks! We've got evil robots, enough Ghostbusters to strike terror into the heart of even the largest Stay-Puft marshmallow man, a xenomorph that'll make you go awww, and one last chance for you to show off your own amazing costume before the holiday is over all inside. » 10/27/14 7:00am Monday 7:00am

How We Use Ancient Stone-Cutting Techniques To Preserve Dinosaur Tracks

Unearthing the fossilized bones of dinosaurs without destroying them is already a pretty fiddly process, one that requires time, patience, and many, many delicate brushes. But when you're talking not about bones but the even more delicate tracks that dinosaurs left behind, the process gets that much trickier. » 10/24/14 4:20pm 10/24/14 4:20pm

Just How Did The Ancient Greeks And Romans Cut Marble?

Watching marble being extracted from a modern quarry is an impressive sight, one that requires a tricky combination of skill, coordination, and advanced machinery to achieve. But, without the aid of bulldozers and power tools, how did the ancient miners manage it? » 10/23/14 4:20pm 10/23/14 4:20pm