Astronomers have gained their first glimpse of the mysterious region near a black hole at the heart of a distant galaxy, where a powerful stream of subatomic particles spewing outward at nearly the speed of light is formed into a beam, or jet, that then goes nearly straight for thousands of light-years.


VLBA Sets New Standard for Accurate Cosmic Distance Measurement
A team of radio astronomers has used the National Science Foundation’s Very Long Baseline Array (VLBA) to make the most accurate measurement ever made of the distance to a faraway galaxy.

VLBA Detects Sun’s Orbit in the Galaxy
Astronomers using the National Science Foundation’s powerful Very Long Baseline Array radio telescope have made a new and more accurate determination of just how long it takes us to circle our Galaxy — 226 million years.

VLBA Scientists Study Birth of Sun-like Stars
Three teams of scientists have used the National Science Foundation’s Very Long Baseline Array radio telescope to learn tantalizing new details about how Sun-like stars are formed.

Continent-spanning Telescope Blazes Trails
The supersharp radio vision of the National Science Foundation’s Very Long Baseline Array is revealing unprecedented details of astronomical objects from stars in our own cosmic neighborhood to galaxies billions of light-years away.

Astronomers’ DIY Project Reopening Window on the Universe
A team of astronomers has revealed tantalizing new information about the explosions of massive stars, the workings of galaxies with supermassive black holes at their centers, and clusters of galaxies.