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NRAO-developed Technology Named 'Most Valuable Product' by Microwave Journal

Reflectionless filters named "Most Valuable Product"

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New AUI website has launched!

Associated Universities, Inc. has recently launched a brand new website. Click "Read more" to view it now!

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Gravitational Constant Appears Universally Constant, Pulsar Study Suggests

GBT helps study gravity in distant star system. 

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ALMA Progress

Observations requiring C34-7 will be made after the next austral summer.

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Peanut-Shape Asteroid Imaged with Radar During Earth Flyby

Radar images and video made with the GBT show double-lobe asteroid. 

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VLITE First Fringes

The Naval Research Laboratory (NRL) and NRAO have successfully teamed to obtain first fringes on the Very Large Array (VLA) Low Frequency and Ionosphere Transient Experiment (VLITE).

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Astronomers Discover Powerful Aurora Beyond Solar System

Astronomers have discovered the first aurora ever seen in an object beyond our Solar System. The aurora, similar to the famous "Northern Lights" on Earth, is 10,000 times more powerful than any previously seen.

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ALMA Detects Star-Forming Clouds in Normal Galaxy in Early Universe

Astronomers using ALMA detected the most distance star-forming clouds in normal galaxies in the early Universe. 

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Green Bank Telescope Joins 'Breakthrough Listen'

GBT receives funding to join search for intelligent life in Universe.

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ALMA Greatly Improves Capacity to Search for Water in Universe

New ALMA Band 5 receivers achieve first fringes.

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Image Release: Radar Observations Shine New Light on Near-Earth Asteroid

Summer school astronomers image near-Earth asteroid.

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Since 1956, the NRAO has designed and operated the most advanced radio telescopes for use by scientists and students around the world.


The National Radio Astronomy Observatory is a facility of the National Science Foundation operated under cooperative agreement by Associated Universities, Inc.