Radio image of Betelgeuse's atmosphere

VLA Shows Boiling in Atmosphere of Betelgeuse

A team of astronomers says that observations with the National Science Foundation’s Very Large Array radio telescope show that a neighboring bloated star has giant convective plumes propelling gas from its surface up into the star’s atmosphere.

VLBA station

Gamma-ray Fireball Measured by Radio Telescopes

A team of astronomers using a pair of National Science Foundation radio telescopes has made the first measurements of the size and expansion of a mysterious, intense fireball resulting from a cosmic gamma ray burst last May.

Active galaxy PKS 1519-273

First Images with Space Radio Telescope

Marking an important new milestone in radio astronomy history, scientists at the National Radio Astronomy Observatory in Socorro, New Mexico, have made the first images using a radio telescope antenna in space.

VLBA station
Seyfert galaxy NGC 4151

VLBA Sees Curved Radio Jet in Nearby Galaxy

New observations with the National Science Foundation’s Very Long Baseline Array indicate that the inner workings of active galaxies may be considerably more complex than astronomers have previously thought.

VLBA image of the star TX Cam

VLA Sees Magnetic Field on Distant Star

Astronomers at the National Radio Astronomy Observatory have used the continent-wide Very Long Baseline Array to map for the first time the magnetic field on the surface of a star other than the Sun.