Wildfire smoke descended into the U.S. on Thursday, prompting alerts that asked people to keep an eye out for health symptoms.

Smoke from Canadian wildfires persisted across the Upper Midwest on Friday, prompting air quality alerts for millions.

Boyd pitched a career-high 185 1/3 innings for Detroit in 2019, but he hasn’t approached that territory since. The Cubs gave ...

Olympic sports psychologist Dr. Jason Scott Hamilton warns about the compounding effect of fatigue, especially in the NFL’s high-stakes, high-impact environment.

Oklahoma City star Shai Gilgeous-Alexander said Thursday there's no room for fatigue with the Thunder down 2-1 to the Indiana Pacers in the NBA Finals.But Gilgeous-Alexander said he was "not too ...

It’s a step toward the Navy’s ultimate goal to monitor real-time fatigue for all underway sailors and prevent future disasters linked to exhaustion. The origins of the upcoming sleep ...

Blue Jays manager John Schneider said that Scherzer dealt with some fatigue in his right thumb during Monday's start versus the Yankees, Keegan Matheson of MLB.com reports.