The Milky Way's nucleus
Graphic showing the movement of Pulsar B1508+55
Artist's Conception of Dusty Disk Around Young Star TW Hydrae
3C 273's core and jet.

VLBA Observations Put New Twist on Quasar Jet Model

When a pair of researchers aimed the National Science Foundation’s Very Long Baseline Array radio telescope toward a famous quasar, they sought evidence to support a popular theory for why the superfast jets of particles streaming from quasars are confined to narrow streams.

WR 140
Sakurai’s Object

Old Star’s ‘Rebirth’ Gives Astronomers Surprises

Astronomers using the National Science Foundation’s Very Large Array radio telescope are taking advantage of a once-in-a-lifetime opportunity to watch an old star suddenly stir back into new activity after coming to the end of its normal life.