Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.

Arizona Wildcats (14-9, 5-5 Big 12) at Colorado Buffaloes (15-6, 6-4 Big 12) Boulder, Colorado; Wednesday, 9 p.m. EST BOTTOM LINE: Arizona visits Colorado after Jada Williams scored 25 points in ...

Arizona senior tennis star Colton Smith has added another accomplishment to his burgeoning résumé. Smith claimed his first ATP Tour Challenger title Sunday, winning the Cleveland Open in ...

Parts of Britain are likely to be battered by cold conditions as the latest weather maps have turned white and purple, suggesting the possibility of freezing conditions. The latest weather maps ...

Northern Arizona averages 78.6 points per game, 4.6 more than the 74.0 Northern Colorado allows. The Bears and Lumberjacks face off Saturday for the first time in Big Sky play this season.

Northern Arizona Lumberjacks (13-8, 4-4 Big Sky) at Northern Colorado Bears (15-6, 7-1 Big Sky) Greeley, Colorado; Saturday, 4 p.m. EST BETMGM SPORTSBOOK LINE: Bears -7.5; over/under is 149.5 ...

Northern Arizona Lumberjacks (13-8, 4-4 Big Sky) at Northern Colorado Bears (15-6, 7-1 Big Sky) Greeley, Colorado; Saturday, 4 p.m. EST BETMGM SPORTSBOOK LINE: Bears -7.5; over/under is 149.5 BOTTOM ...

Claire Wolford's excitement for the Dallas Open reflects the mutual support and understanding in her relationship with Colton Cowser. Both athletes, they cheer each other on through the challenges ...

Northern Arizona is 2-0 in games decided by less than 4 points. The Bears are 2-6 in Big Sky play. Northern Colorado ranks second in the Big Sky giving up 58.2 points while holding opponents to 39 ...

BOTTOM LINE: Northern Arizona takes on Northern Colorado after Sophie Glancey scored 28 points in Northern Arizona's 106-76 win against the Idaho Vandals. The Lumberjacks are 7-1 on their home court.

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Arizona State Sun Devils (8-13, 2-7 Big 12) at Oklahoma State Cowgirls (17-3, 7-2 Big 12) Stillwater, Oklahoma; Wednesday, 7:30 p.m. EST BOTTOM LINE: No. 24 Oklahoma State plays Arizona State ...