A richer mix of everyday microbes indoors may actually help the immune system, especially in children, according to previous studies, so the microbial muddle that comes with a family dog could be part ...

AI-powered delivery robots from companies like Serve Robotics are replacing human drivers across the nation — but they can’t ...

As President Trump delivered his State of the Union address, reporters from across NPR's newsroom, are fact checking his speech and offer context.