Gene Editing Ultracool dwarf binary stars break records Posted on January 10, 2023 by Editorial Staff Astrophysicists have discovered the tightest ultracool dwarf binary system ever observed. The two stars are so close that it takes them less than one Earth day to revolve around each other. In other words, each star’s ‘year’ lasts just 20.5 hours. Share on FacebookTweetFollow us Editorial Staff School garden-based interventions can improve metabolic parameters in children A new tool helps map out where to develop clean energy infrastructure