Astronomers find an ancient black hole speeding through the Sun’s Galactic neighborhood, devouring a small companion star as the pair travels in an eccentric orbit looping to the outer reaches of our Milky Way Galaxy.


First Six-image Gravitational Lens Discovered
An international team of astronomers has discovered the first gravitational lens in which the single image of a very distant galaxy has been split into six different images.

Radio Astronomers Record Powerful Solar Explosion
Astronomers have made the first radio-telescope images of a powerful coronal mass ejection on the Sun, giving them a long-sought glimpse of hitherto unseen aspects of these potentially dangerous events.

Best Detail Ever of Star-forming Cloud’s Magnetic Field
Astronomers have used the National Science Foundation’s Very Long Baseline Array radio telescope to do a very detailed map of the magnetic field within a star-forming cloud.

Gas Cloud to Make its Star-forming Debut
Astronomers using the National Science Foundation’s 140-foot radio telescope at the National Radio Astronomy Observatory in Green Bank, W.Va., have discovered a highly unusual, massive interstellar cloud that appears poised to begin a burst of star formation.

Gamma-ray Burst Reveals Secrets of Host Galaxy
A team of observers used a gamma-ray burst as a powerful tool to unveil the nature of the galaxy in which it occurred, more than 7 billion light-years away.