Democratic Sen. Jacky Rosen trailed Republican Sam Brown by less than 1,000 votes as Nevada counties stopped reporting results early Wednesday morning. As of Wednesday at 3 a.m., Brown led Rosen by 870 votes — or 0.

If Brown wins, it could expand Republicans' likely majority in the U.S. Senate. If Rosen wins, it could make controversial bills harder to pass.

Nevada Sen. Jacky Rosen was trailing Republican candidate Sam Brown by over 9,000 votes in the race for Nevada’s U.S. Senate seat Tuesday night. Brown received 48 percent of the vote to 47.2 percent for Rosen.

Sen. Jacky Rosen and Republican challenger Sam Brown are facing off in Nevada, as Democrats fight to hold onto the seat and their narrow majority in the Senate .

LAS VEGAS — In a year when an unfavorable map and Republican Donald Trump’s presence atop the ticket are endangering Democrats’ control of the Senate, Nevada Sen. Jacky Rosen’s consistent polling lead over her Republican challenger Sam Brown has been a bright spot.

The two major candidates for Nevada's U.S. Senate seat cast their ballots Tuesday morning as close attention is paid to which party will control the Congression

The relentless determination that powered 40-year-old Sam Brown through West Point, combat in Afghanistan and an arduous recovery from life-threatening burns on 30% of his body could see the Reno-based entrepreneur achieve another impressive triumph in a completely different field: unseating a Democratic senator.