Microsoft said Thursday in a blog post that hackers tied to a massive intrusion of dozens of U.S. government agencies and private companies sneaked further into its systems than previously thought, although the intrusion doesn’t appear to have caused any additional harm

With the U.S. on Tuesday recording its first known case of the novel coronavirus variant that’s been sweeping across the U.K., the pressure is on to track the variant’s spread and parse out why it seems to be more contagious – and what that means for the future of the pandemic.