NASA’s Mars Climate Orbiter was lost during Mars orbit insertion after a unit-conversion mismatch between ground software systems caused navigation errors. The failure remains one of engineering’s most important lessons in interface verification, systems communication, and unit consistency.

The 1973 Skyline Plaza collapse is a defining case study in construction-stage failure, where premature shoring removal, insufficient concrete strength, and sequencing errors led to a progressive collapse. This article examines the root causes and key lessons for professional engineers.

The 1987 Schoharie Creek Bridge failure was not caused by material failure or structural overload. It resulted from foundation loss driven by hydraulic scour—a mechanism that was not fully appreciated at the time of design

The 1993 Milwaukee water contamination was not caused by a single design flaw or mechanical breakdown. It resulted from a combination of inadequate pathogen barriers, limited monitoring capability, and delayed operational response within a system that appeared compliant and functional by regulatory standards.

On April 22, 1992, a series of underground explosions ripped through the Reforma sector of Guadalajara, Mexico’s second-largest city. Over the course of roughly an hour, at least ten powerful blasts traveled along the main sewer collector, tearing open more than 8 km of streets, destroying blocks of homes and businesses, and killing over 200 people.

A structural engineering failure: The Tay Bridge disaster and the lessons learned. Investigate the cause. Learn more.

A catastrophic failure: The Ocean Ranger disaster and the lessons learned from this engineering tragedy. Investigate the cause.

A catastrophic roof collapse: The Hartford Center disaster and the lessons learned from this engineering failure. Investigate the cause.

A devastating environmental impact: The Deepwater Horizon disaster and its long-lasting consequences. Learn more.

The Baldwin Hills Dam Disaster: A catastrophic dam failure. Learn about the engineering failures that led to this tragedy.