Scientists have been trying to build snakelike, limbless robots for decades. These robots could come in handy in search-and-rescue situations, where they could navigate collapsed buildings to find and ...

Until now, robots have been able to walk on flat surfaces. Even then, they've needed almost constant human guidance. These models can handle rough ground.

In the critical 72 hours after an earthquake or explosion, a race against the clock begins to find survivors. After that window, the chances of survival drop sharply. When a powerful earthquake hit ...