Imaging the Incredible Universe

Radio astronomy is the study of celestial objects that give off radio waves. With radio astronomy, we study astronomical phenomena that are often invisible or hidden in other portions of the electromagnetic spectrum.

Special Features

Radio sources are all around!

Explore the Milky Way Galaxy

The Milky Way Explorer a guided trip through our spiral Galaxy and its neighborhood. You choose where to explore, and a radio astronomer talks to you about each stop.

Virtually visit our radio observatory in the desert!

Explore the Very Large Array

See footage from central New Mexico where the National Radio Astronomy Observatory operates the world's most versatile radio telescope, the Karl G. Jansky Very Large Array. Here, we have put together a collection of exclusive video tours we call the VLA Explorer.

Explore ALMA

Get behind-the-scenes guided tours of ALMA and virtually visit the incredible countryside of northern Chile.