The first trailblazers of American radio astronomy called Green Bank Observatory home over 60 years ago. Today, their legacy is alive and well. Nestled in the mountain ranges and farmland of West Virginia, within the National Radio Quiet Zone, radio astronomers are probing the furthest reaches of the universe to discover answers to our most astounding astronomical questions.

What Green Bank Observatory does

Specifically, the Green Bank Observatory:

  • advances the science of radio astronomy through research, discovery, and education

  • promotes science, technology, and engineering to foster a more scientifically literate society

  • trains the next generation of scientists, engineers, and technicians

  • provides state-of-the-art telescopes, instrumentation, and expertise

  • provides the tools and facilities to advance science and technology nationally and internationally


How Breakthrough Listen uses Green Bank

Breakthrough Listen is a major scientific program searching for evidence of technological civilizations beyond Earth. A core part of that search is carried out at Green Bank Observatory using the 100-meter Robert C. Byrd Green Bank Telescope (GBT), a uniquely sensitive instrument operating in one of the quietest radio environments on the planet.

Why Green Bank matters for Listen

Green Bank’s location inside the National Radio Quiet Zone helps limit human-made radio interference. That matters because Breakthrough Listen looks for extremely faint signals that can be easily masked by everyday transmissions.

The Green Bank Telescope is also central to Listen’s northern-sky observing. Its sensitivity and sky coverage make it well suited for large surveys, including targeted observations of nearby stars and broader searches that extend beyond our own galaxy.

Listen’s work at Green Bank does not stop at telescope time. The partnership supports the full pipeline, including instrumentation, data capture, and analysis, so observations can be searched systematically and shared with the wider scientific community.