John Spencer is chair of urban warfare studies at the Modern War Institute and a founding member of the International Working ...

Days before President-elect Donald Trump is sworn into office for a second term, a conservation organization says a ...

An open border over the past four years has threatened Border Patrol agents and American communities alike as criminals took ...

Added length to the southern Arizona border wall may lead to the extinction of a rare desert fish, the Center for Biological Diversity said Wednesday.

Trump is declaring a national border emergency and taking other steps to curb immigration. Here's what that means.

Trump promises to sign executive actions to address immigration and border security. Some will likely spark legal battles.

“This is about national security," said an incoming official. On a call with reporters on Inauguration Day morning, incoming White House officials previewed a series of executive orders and ...

A Trump-era shift has left Republicans divided over several of the country’s biggest immigration programs. What could it mean ...