A civil engineer lays out the physics behind Dali’s crash into the Francis Scott Key Bridge pier.

The collapse of the Francis Scott Key bridge is already affecting global supply chains.

We’ll need to learn the lessons from this disaster.

A civil engineer explains why ships taking out bridges is rare, and describes how bridge builders protect the structures from ship collisions.

A hot, dry summer on the heels of a wet winter raises the risk of wildfires.

As the climate warms, devastating fires are increasingly likely. The 2020 fires pushed the Southern Rockies beyond the historical average. Is there hope for the Northern Rockies?

As the climate warms, devastating fires are increasingly likely. The 2020 fires pushed the Southern Rockies beyond the historical average. Is there hope for the Northern Rockies?

As the climate warms, devastating fires are increasingly likely. The 2020 fires pushed the Southern Rockies beyond the historical average. Is there hope for the Northern Rockies?

A geologist explains where earthquakes are most common and why.

Maui officials have asked relatives to provide DNA samples to help identify victims of the Lahaina wildfires. Time and exposure to the elements, however, can make DNA retrieval from remains difficult.