People.com said Russell, 47, was found dead Monday night at his Los Angeles home.
"I can confirm that Mr. Armstrong was found dead from an apparent hanging in a residence on Mulholland Drive," Los Angeles Police Department spokesman Richard French told the Web site.
Taylor, 40, filed for divorce from Russell last month. She cited alleged physical and verbal abuse as the reasons for the split, People.com said Tuesday.
Exploding whale video goes viral on Internet
Martin Bashir resigns from MSNBC over Sarah Palin comments