Is the expansion of the universe slowing down?

The Tycho supernova remnant NASA/CXC/RIKEN & GSFC/T. Sato et al; DSS It’s widely been thought that our universe is expanding at an ever-accelerating rate. But could we have that wrong? That is what a group of scientists from South Korea has claimed in a new paper, but other scientists have cited major concerns with the…

Read More

Are Big Airlines’ CEOs Overpaid Or Underpaid?

Scott Kirby, United Airlines’ CEO (Photo by Hyoung Chang/The Denver Post) Denver Post via Getty Images High and wildly fluctuating fuel prices. Enormously expensive assets that must be bought and maintained in near-perfect condition. Tens of thousands of (mostly) well-paid employees and their powerful, sometimes contentious unions. Extraordinarily powerful, often opinionated and sometimes down-right pushy…

Read More