Using the Magellan Telescopes at Las Campanas Observatory in Chile, astronomers have performed a chemical study of a globular ...

NGC 6355 has been imaged using NASA's Hubble Space Telescope. The globular cluster of stars lies 50,000 light-years away.

In this episode, Astronomy magazine Editor Dave Eicher invites you to head out sometime soon and observe the great globular cluster M22 in the constellation Sagittarius the Archer. From a dark site on ...

John is Ars Technica’s science editor. He has a Bachelor of Arts in Biochemistry from Columbia University, and a Ph.D. in Molecular and Cell Biology from the University of California, Berkeley.