A tiny reptile scampering along an Outback-like environment snagging insects some 318 million years ago left behind footprints that are now the oldest evidence of reptiles to date.

Barnes & Noble said Friday it's creating boutiques within its stores for its Nook e-reader to "showcase" the digital device, software and accessories.

At the SIGGRAPH computer animation and interactive technology conference, a research team unveiled a Meta Cookie system, which uses virtual reality to try to control the flavor of a cookie.

After more than six years roaming the surface of Mars, NASA's Mars rover Opportunity has spotted its first dust devil on the red planet.