The presence of masked federal agents is an unnerving part of life in Southern California this summer. Here’s a look at who’s ...

The DOJ says it wants info on undocumented immigrants with criminal records. LA County Sheriff Robert Luna says his department doesn't have info on inmates' citizenship status.

Surgeons at Duke and Vanderbilt universities reported Wednesday that they’ve separately devised simpler approaches to retrieve those hearts. In the New England Journal of Medicine, they described ...