So, what's worse? The thing in the box that plays on the commonly misunderstood technical meaning of "pandemic" or THE THING IN THE BOX THAT SAYS WE'RE ALL GONNA DIE!
I would say neither story is cause for concern at this point. It may be cause to appropriate more money to NASA, however. (btw: I thought 5 billion years was about the point the sun was supposed to supernova and swallow us before shrinking to a cold white dwarf anyway. So, shrug.)