VLBI between West Virginia and Shanghai and the world’s first radio sundial.

Astronomers using the combined power of the Atacama Large Millimeter/submillimeter Array (ALMA) telescope and NASA’s Hubble Space Telescope have…

Astronomers studying gas halos around nearby galaxies were surprised Very Large Array showed that one of their subjects is not a single galaxy, but two, superimposed on the sky to masquerade as one.

Doom may be averted for the Smith Cloud, a gigantic streamer of hydrogen gas that is on a collision course with the Milky Way Galaxy.

At a cosmologically crisp one degree Kelvin, the Boomerang Nebula is the coldest known object in the Universe.

Two teams of researchers using the ALMA telescope have made remarkably detailed observations of supermassive black holes caught in the act of ingesting matter and converting it into powerful jets of particles and energy.