Astronomers have discovered a key signpost of rapid star formation in a galaxy 11 billion light-years from Earth, seen as it was when the Universe was only 20 percent of its current age.

A Fourth of July fireworks display features bright explosions that light the sky with different colors, yet all have the same cause.

Scientists and dignitaries from North America, Europe, and Chile broke ground today (Thursday, November 6, 2003) on what will be the world’s largest, most sensitive radio telescope operating at millimeter wavelengths.

Location, location, and location: the old real-estate adage about what’s really important proved applicable to astrophysics as astronomers used the sharp radio vision of the National Science Foundation’s Very Long Baseline Array to pinpoint the distance to a pulsar.

Astronomers studying the most distant quasar yet found in the Universe have discovered a massive reservoir of gas containing atoms made in the cores of some of the first stars ever formed.

Scientists from around the globe are gathered in Socorro, New Mexico, to mark the tenth anniversary of the National Science Foundation’s Very Long Baseline Array (VLBA) , a continent-wide radio telescope that produces the most detailed images of any instrument available to the world’s astronomers.