Just months after Slayer postponed a handful of Canadian tour dates due to singer/bassist Tom Araya's back problems, the Huntington Park, CA, metal band has been forced to scrap all 49 dates of their U.S. and European Carnage Tour with Megadeth and Testament this spring.

This week, New Moon premiered in L.A., Aerosmith members discussed singer Steven Tyler's drug habits, Rihanna performed her first concert since the Chris Brown assault, and SPIN stirred the web with our Rock Myths package, which argued that Radiohead kinda blow!

These stories, plus the week's top news, photo galleries, audio/video, and live reviews, below.

Slayer and Megadeth will tour America together for the first time since 1991, launching a slate of 19 U.S. dates in Seattle on Jan. 18, 2010. Fellow metal veterans Testament are set to support. Check below for a complete list of dates and a video teaser for the tour.

Slayer guitarist Kerry King is a badass.

Here's a rundown of the essential albums available online and in record stores today:

Slayer's full on assault behind their new album, World Painted Blood, has hit a speed bump.