The chaos that ensued when San Francisco traffic lights went dark reveals autonomous cars’ lack of preparation for serious ...

This gradual accumulation and release of stress and strain is now referred to as the "elastic rebound theory" of earthquakes. Most earthquakes are the result of the sudden elastic rebound of ...

Last week, a plot of land in North Portland felt a shake, but not one caused by an earthquake, but instead by a machine known as T-Rex. Researchers with Portland State University were simulating a ...