Combining industry news, tips, tricks, Search Engine Journal should be one of your first stops for the latest.
Ahrefs are famous for their SEO tools, but their blog shouldn't be overlooked. They offer more than news and reviews: they offer insightful case studies and industry developments.
With loads of advice and tips, and even how-to guides, Moz is an excellent (and oft-updated) source.
Looks at some of the more technical aspects of SEO and SEO news.
Brings together news about all things search and social media marketing related.
Focuses its news and tips on local SEO and small-businesses.
Offers loads of information about all the search engines, and of course loads of info on SEO, including guides.
A top-source in SEO and digital marketing, offering both industry news and some basic guides.
If updates on all the search engines aren't enough, then the daily roundups of search forums should bring you to this blog.