Thomas Daniel Gibbs, 35, of New Jersey, went missing in the Grand Canyon days before a mega-fire was declared, remaining unaccounted for roughly a week.

A reader asks if climate change has fueled the increase in wildfires and severe storms. The answer seems clear.

A massive wildfire burning through Grand Canyon National Park has scorched over 114,000 acres, forcing the full closure of the North Rim. Named the Dragon Bravo Fire, the blaze—sparked by lightning on ...