Three of the ten are candidates themselves. The rest are big Colorado names you'll likely recognize.
New political groups emerge in Colorado’s election 2018 TV advertising battle, explained in graphics
Walker Stapleton and Jena Griswold, for instance, are each getting a boost from new political TV ads
Polis’ personal spending on governor race reaches $22.3 million, outside spending tops $43.6 million statewide
Democratic candidates statewide continue to outraise GOP, despite big spending by Republican outside groups
Jared Polis nears $20M mark in governor’s race self-funding; oil and gas spending on initiatives tops $34M
Also: Democratic candidates continue to outpace their Republican opponents in key state Senate contests
Social media companies aim for transparency in 2018. Here’s what you need to know.
In his toughest political battle yet, U.S. Rep. Mike Coffman is trying to navigate his way to another re-election against growing headwinds
Mike Coffman is trying to keep the White House at arm’s length, while his Democratic opponent, Jason Crow, is attempting to paint the congressman and President Donald Trump as one and the same
Secretary of State's office made a legal determination that ads informing public on initiative petition signatures were not covered by campaign finance law
The outside money is being sent to Good Jobs Colorado, which is attacking Republican Walker Stapleton
An analysis of FCC filings also shows big money from Republicans in state Senate contests