Invented in Canada in the early 19th century, ice hockey made its Olympic debut at the 1920 Summer Games in Antwerp, Belgium.

It’s the quarterfinal round and it’s been electric.

Megan Keller, who had an assist on Hilary Knight's tying goal late in regulation, scored on a breakaway 4:07 into the first 3-on-3 overtime period, giving the U.S. a dramatic 2-1 victory and the natio...