Spacesuits get a makeover and shed some pounds for a new streamlined look.
Chameleons are nature's mood ring; their color reflects how they're feeling.
Sit tight! Movement triggers neurons that dull your hearing.
"Extremophile" bacteria might be able to clean up toxic nuclear waste sites.
Genghis Khan fathered an empire in more ways than one.
Thanks to human ingenuity, things get even more bitterly cold!
Antarctica takes the cake for coldest place on Earth.
Bigfoot is the stuff of make-believe, but Giganto was real, and was more menacing than the mythic monster.
The Appalachian Mountain range has a strange bend in it caused by the gravitational pull of certain underground rocks.