Illegal Immigrants

The judge ruled that, while the administration's move to include a citizenship question was not in itself unconstitutional, it was "unlawful for a multitude of independent reasons."

In the furor over immigration reform in the U.S., many taking a tougher line cite the law, not the evident ethnicity of the immigrants, for their stance. But that ethnicity matters, new research suggests.

New research suggests Mexican immigrants in the U.S. are all over the political spectrum—and those on the right are more likely to vote.

Forensic scientists are working to identify the anonymous corpses of thousands of unlucky immigrants along the U.S.-Mexico border.