OFFICIAL: Sirius and XM Announce Merger

XM Satellite Radio and Sirius Satellite Radio have jointly announced that they have entered into an agreement to combine the two companies - in an all-stock merger - with a combined enterprise value of $13 billion.

New bill to keep XM, Sirius from offering local news and alerts

The foes of satellite radio are marshaling their forces again, as a bill introduced to Congress this week would bar XM Radio and Sirius from broadcasting "locally differentiated services" such as traffic, weather, and emergency information.