Kansas Law Enforcement held its annual candlelit vigil, saluting law enforcement officers who gave the ultimate sacrifice.

Alberta's premier announced the province would challenge the constitutionality of the national clean energy regulations it claimed would see its residents "freeze in the dark." ...

The massive blackout that left Spain and Portugal in the dark on Monday brought home for many Europeans the overwhelming ...

The Colorado June air was thick with summer heat. Mosquitoes rose in clouds around us, testing our resolve while we gathered our cameras and sensors. We walked into the wetland, down the unmarked path ...