P65 walks with her kittens. In a UC Davis study, female mountain lions were generally more active during the day and closer to sunrise, perhaps because they are constrained by avoiding male mountain ...

The authors also urge caution when driving at night, when mountain lions living in populated areas are more likely to be active. “Even something as innocuous as recreation can add to these other ...

Mountain View-based Nuro recently received approval from the California DMV to test new self-driving delivery vehicles ... to travel at all times of day or night, as well as in conditions of ...

It’s important to be aware of a danger that comes with this: drowsy driving. Defined as driving while sleepy, it’s more ...

As a winter storm arrived in Southern California Thursday, mountain communities were hit with heavy snowfall, creating dangerous driving conditions. Travelers making their way through San ...

Mountain lions in greater Los Angeles are proactively shifting their activity to avoid interacting with cyclists, hikers, joggers and other recreationists, finds a new study. Mountain lions in ...