Regina G. Barber is a co-host of Short Wave, NPR's science podcast. Barber completed her PhD in physics at Washington State University with a focus in astrophysics, studying globular cluster systems.

When extreme heat arrives, here are science-based tips to keep your home cool, from the most efficient way to use air conditioning to strategic uses of fans ...

The Trump administration has introduced a new $250 visa integrity fee for certain foreign travelers, which could affect tourism and travel to the U.S.