Yellowstone County is reeling from the loss of a longtime local leader. Commissioner John Ostlund was killed Thursday afternoon when a plane he was flying hit a power line, flipped, crashed and ...

John Mellencamp has five children from three marriages: Michelle, Teddi, Justice, Hud and Speck. Here's everything to know about the singer's kids.

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.