Tumblr founder and CEO David Karp is leaving the company after 11 years at the helm. The 31-year-old announced his retirement from the microblogging platform in an emailed memo to staff Monday.

33-year-old Eric Carpenito was arraigned on a murder charge in Quincy District Court. Prosecutors say he stabbed 50-year-old David Lilley four times with a folding knife Tuesday and then called ...

Now Carpenito is being held without bail after being charged in the death of David Lilley Jr., 50, who had been staying with him. Carpenito pleaded innocent in Quincy District Court on Wednesday ...