US elections surfaced fears of Mexicans crossing into the US. But their numbers are actually in decline. Why are they choosing to stay in Mexico? Two migration experts went there to find out.
How can we possibly know how many millions of people are living in the U.S. illegally? Demographers have actually refined a simple formula that's worked pretty well since the 1970s.
Donald Trump gave a major speech on immigration this week. This roundup looks at some of his ideas for reform and explains what the experts have to say about this complex issue.
Nevada gave Trump his third victory and a widening lead over his GOP rivals. It's not his conservative values winning votes.