The first Trump administration built long segments of steel wall on Arizona's border. Conservationists fear wildlife will suffer if work resumes.

Frontier is one of the largest budget carriers in the US. Headquartered in the city of Denver, Colorado, the ultra-low-cost ...

Southwest's Rapid Rewards members considering a switch will need to act quickly. The offer is only available through the end ...

Frontier Airlines is allowing any Southwest Rapid Rewards members willing to part with $40 a chance at elite status.