Nick Mott

Big wildfires create their own weather, and can even spawn tornadoes swirling with smoke and flame. Researchers are trying to determine how often they occur.

Researchers who study evidence of fires through the millennia say to expect more and bigger fires as the climate continues to warm. Fire season is already months longer than in the 1970s.

Medical staff are liaisons to the sick and dying for relatives not allowed at bedsides. The emotional toil at one Montana hospital is a case study of what caregivers are grappling with across the U.S.

People who got their February food assistance payments early don't know when their food money for March will come as the federal government shutdown continues.