An economy supported by immigrants living illegally in the U.S. protects Americans. The U.S. would be unable to dodge the economic shocks and high costs that mass deportations would bring about.

The U.S. flu season started out slowly, but activity has increased sharply, which is typically the case; the bad news is that most circulating influenza B viruses tested so far this season do not ...

Many research teams are developing genetically modified bacteria that could one day travel around parts of the human body, diagnosing and even treating infection. Before such bacteria can be safely ...

As more and more people around the world are getting vaccinated, one can almost hear the collective sigh of relief. But the next pandemic threat is likely already making its way through the population ...

A comptroller’s report found that deporting the estimated 1.4 million undocumented immigrants living in Texas in 2005 would have cost the state about $17.7 billion in gross domestic product.