Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile have discovered "signs of a ‘hot spot’ orbiting Sagittarius A*," according to the European Southern Observatory (ESO) ...

The objects were in the same region of the sky but were 13,000 light-years apart and not related to each other. The details ...

Astronomers have discovered two strange objects that could be young stars — except they're completely surrounded by ice.

The so-called 'planetesimal belts' are filled with tiny millimeter-sized particles created by collisions between comets.

The bright red-yellow streaks that have been superimposed on the image come from radio observations taken by the Atacama Large Millimeter/submillimeter Array (ALMA), revealing regions of cold ...

By the time it was officially inaugurated in March 2013, the Atacama Large Millimeter/submillimeter Array —ALMA— had already begun to deliver on expectations. The year before, with only 16 ...

The Atacama Large Millimeter Array, located in the Atacama Desert, is the product of a 20-year global effort by Europe, North America, and East Asia. With its 66 antennas sitting 16,400 feet above ...

Images from the Atacama Large Millimeter/submillimeter Array (ALMA) reveal amazing details of the sun, including a giant sunspot that is almost twice as large as the diameter of Earth. Video ...

The study analyzed the circumstellar disks of a pair of stars, learning about how planets are formed from some unexpected ...

Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have observed a dusty star-forming galaxy known as SPT 0538−50. Results of the observational campaign, presented Dec. 4 ...

Astronomers have made new discoveries about young star formation in the Large Magellanic Cloud ... along with observations from the Atacama Large Millimeter/submillimeter Array (ALMA).