Stretching 227 meters tall, two towers were assembled to support California's Golden Gate Bridge. They were just one of the challenges facing engineers Charles Ellis and Joseph Strauss. Even before construction began, many thought the...

North America didn't always have its familiar shape, nor its famed mountains, canyons, and plains: all of that was once contained in an unrecognizable mass, buried deep in Rodinia, a huge supercontinent that lay on the face of the Earth....

A massive earthquake is expected to hit the Pacific Northwest at some point, due to the Cascadia Subduction Zone. This 9.2 magnitude quake could trigger a huge tsunami and destroy major cities like Seattle, collapsing buildings, roads,...

This video explores the phenomenon of animals sensing earthquakes before they happen and the causes of earthquakes. It also highlights the importance of understanding and engineering our buildings and cities to withstand earthquakes. The...

The pool of boiling mud has already damaged local railroads and may damage pipelines, fiber-optic communication cables and highways in its path.

The video explains the San Andreas Fault, which is a geological feature in North America. It shows a line that represents the fault and explains that it is a break between different areas of rock where movement has occurred, resulting in...