The 30ft-high wall between the US and Mexico will cut through one of the last unbroken grasslands in the west, leaving residents alarmed over the potential impact on wildlife and water use

Immigration arrests seen on video are showing an emerging trend: More Border Patrol agents are doing their jobs far from the borders with Mexico or Canada.

For decades, the US has militarized its southern border. Now, enter the second Trump administration.

Tougher Canadian border measures in response to Donald Trump’s threats may make crossings more dangerous for migrants.

UA professor Samara Klar has conducted polling on immigration for years. She says while Arizonans might have for Trump on the promise of mass deportations, they’re not anti-immigrant.

Legal experts and researchers say incoming President Donald Trump's promised mass deportations could actually end up undermining goals of public safety and national security.