Bad news and good news.
Richards does in fact have a broken wrist and will be out the requisite 6-8 weeks. The good news is that he will not require surgery, which would have made rehab even longer.
From the Dallas Stars press release:
FRISCO, Tex. - The Dallas Stars announced today that center Brad Richards will be placed on Injured Reserve with a distal radius fracture in his right wrist, suffered in the club's 3-2 shootout win last night at Columbus. He is expected to miss six to eight weeks.
Richards was evaluated by Dallas' medical staff this morning and it was determined that he will not need surgery on the wrist. He will be re-evaluated in a month.
Richards, 28, has skated in 55 games this season, posting 16 goals and 32 assists for 48 points. Among team leaders, he ranks first in shots (179), second in assists and points, tied for second in power play goals (5) and third in goals.