So what's really going on with Betelgeuse?

Well, this Astronomy Now article is a pretty complete summary.  You probably also want to follow the link to this article from last June, which talks about Betelgeuse's accelerating shrinkage over the period from 1993 to 2009.

PSA: Mac malware in trojanned freeware apps

"Security researchers at antivirus vendor Intego have discovered spyware attached to freely downloadable Mac applications. The malware is difficult to detect."

Via SecurityWire.