Good sources for finding news articles in Spanish:

• El mundo (Newspaper from Spain)
• La nación (Newspaper from Costa Rica)
• Prensaescrita (Index of Spanish-speaking newspapers)
• BBCMundo (Spanish version of BBC newspaper)
• CNN-Español (Spanish CNN)

There must be thousands more...  Try searching in Google with Spanish terms (such as "problemas de inmigracion") to see thousands of related articles.  Don't always pick the first - make sure the article is on topic.