Our brains build maps of the environment that help us understand the world around us, allowing us to think, recall, and plan.

Fewer wildfires burn in North American forests today than in previous centuries, increasing the risk of more severe wildfires ...

A severe storm making its way into Southern California has triggered concerns of mud and debris flows in areas hit by the ...

By Matt Stiles, Sean O'Key, Byron Manley, Lou Robinson, Curt Merrill, Annette Choi, Rachel Wilson, Henrik Pettersson, Amy ...

In some areas, hazards have surged. Buildings in the highest severity zones will be subject to the strictest fire-resiliency rules.