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An international team of astronomers used ALMA to create the most detailed image yet of the gas surrounding two supermassive black holes in a merging galaxy.

Thousands of galaxies are visible in this radio image made with the MeerKAT telescope. The numerous faint dots are distant galaxies like our own Milky Way, that have never been observed in radio light before.

By looking at Jupiter in radio light, ALMA and the VLA reveal a world hidden by its layers of clouds.

The NRAO has awarded three contracts for the conceptual design of the 18m antenna for the next-generation Very Large Array (ngVLA).

Astronomers using ALMA have spotted the light of a massive galaxy seen only 970 million years after the Big Bang!

Join Melissa Hoffman of the National Radio Astronomy Observatory for a tour of one of the most disruptive events in Universe.