War waged by artificial intelligence creates new possibilities on the battlefield and new concerns from human rights watchdogs.
Rising sea levels and more powerful storms are creating more climate change refugees.
New technology has changed the way we meet. But will it redefine love as we know it?
What happens when you remove prison as a major form of punishment in our criminal justice system? Some cities and states want to find out.
40% of engagements take place between Thanksgiving and Valentine's Day, according to industry experts.
CBP officials say the Tucson area, including Nogales, is already seeing the highest number of migrants coming into the country.
25 million U.S. students use diesel-powered school buses daily, prompting debates on cleaner alternatives.
