Atacama Large Millimeter Array New data from the Atacama Large Millimeter Array and Hubble Space Telescope, published in the "Nature Astronomy" journal, suggests interstellar comet 2I-Borisov contains large amounts of carbon monoxide and hydrogen cyanide. The new findings suggest the object was formed in the cold outer region of its planetary system. 'Alien comet' visitor has weird composition © BBC News Sources: BBC News
