As the world's largest radio telescope, the Square Kilometer Array (SKA) will provide radio interferometric data with unprecedented detail. Image reconstruction algorithms for radio interferometry are ...

Radio Over Fiber (RoF) system is a systematization in which a radio wave is converted into a light signal by modulating a light source with an RF signal. There are no digitalizations; the process is ...

Using the Very Large Array (VLA), astronomers have performed radio observations of a galaxy cluster Abell 2744, nicknamed Pandora's Cluster. As a result, they obtained the deepest high-resolution ...

Organizers of Juneteenth celebrations across the U.S. tell NPR how they're feeling this year. And NPR presents a reading of the Emancipation Proclamation.