In this aerial image, the steel frame of the Francis Scott Key Bridge sits on top of a container ship after the bridge collapsed in Baltimore on March 26, 2024.
Jim Watson for Getty Images
A bridge engineering expert discusses the costs and limitations of building structures to withstand extreme events – and what it takes to prepare the next generation of civil engineers.
The U.S. Coast Guard said it is leading an investigation into the loss of the Titan submersible to determine what caused it to implode.
(AP Photo/Steven Senne)
The St. Lawrence is one of the most difficult rivers in the world to navigate. It has been the site of collisions, groundings and shipwrecks. Several thousand wrecks lie beneath its surface.