In making the decision this week, Trump eliminated federal policy dating back to the Clinton-era, which had established a ...

Track and cross-country runners at Utah's universities say they notice bad-air days along the Wasatch Front — and sometimes ...

Omaha's Sam Stange (3) and Omaha's Liam Watkins (27) celebrate a goal by Omaha's Zach Urdahl (6) on Colorado College's Kaidan ...

The infernal blazes burning in Southern California are raising concerns about the potential airborne hazards they may be ...