Chronicle photographer Stephen Lam explains the story behind an arresting image of an Altadena homeowner walking through her ...

The simulated biological attacks, active shooter incidents and other emergency scenarios are part of the city's safety ...

U.S. military-funded scientists won two 2025 Nobel Prizes for groundbreaking research that could improve battlefield ...

Sooty helmets were once a badge of honor. But research shows firefighters absorb carcinogenic particles through their skin ...

One year ago today, filmmaker Ondi Timoner was traveling in Europe at work on a new project when her phone pinged with an ...

The state of Illinois and city of Chicago filed a lawsuit against the Trump administration and Department of Homeland ...

The city and county of Butte-Silver Bow accuses the manufacturers of colluding to hide that the firefighter turnout gear ...

The city and county of Butte-Silver Bow accuses the manufacturers of colluding to hide that the firefighter turnout gear ...

After decades of PFAS contamination, North Carolina’s attorney general is challenging an EPA proposal to narrow reporting ...

One four-alarm fire at an EMR scrapyard in the city nearly a year ago resulted in black, billowing smoke could be seen for 15 ...

Illinois and the city of Chicago sued the US Department of Homeland Security Monday, saying the “menacing, violent, and ...