The changes were made Thursday in the wake of an executive order Trump signed calling for the federal government to define ...

The midair collision that killed 67 near Washington and the fiery plane crash in Philadelphia and a plane crash in Alaska that killed 10 are only the most high-profile disasters.

This winter, with record snow in New Orleans and drought and destructive wildfires in Southern California, has not been ...

Ever gazed up at the stars and felt that magical awe wash over you? As cities grow brighter, it's becoming harder to experience the magic of a truly dark night sky. This is why you should check out ...