Scientists explore the concept of "robot metabolism" with a weird machine that can integrate material from other robots so it ...

Spider-Man has appeared in a diversity of forms, and the following stand out easily as the biggest versions of the webslinger.

Looking more like the Spidey version of Marvel's Deathlok or even the T-800 from "Terminator," Spider-Cyborg possesses a red lens over his eye, a devastating sonic cannon ... mecha known as Leopardon.

While we wait for the next big robot show to start, these battle mech RPGs will let you battle kaiju and other mechs yourself.

This previously unknown symbiotic relationship helps keep methane—a major greenhouse gas—trapped in the ocean.