Paul Caneiro, the married New Jersey tech boss accused of slaughtering his brother, sister-in-law and their two kids over money, bankrolled a lavish globe-trotting lifestyle for his secret gal pal, sh...

Scientists discover how a vitamin A byproduct may weaken immune responses against cancer, potentially explaining why some immunotherapies fail in patients....

A trio of Republican senators asked the Trump administration to end a visa waiver program in far-flung U.S. territories in the Pacific that they say encourages "birth tourism."...