Ruth Bader Ginsburg, who is 85-year-old, went home after falling, but was taken to George Washington University Hospital in Washington after experiencing discomfort during the night. This week's incident was not the first time Ginsburg has suffered an injury as a result of a fall - in June 2012, she fell at home and cracked two ribs.
Ginsburg has broken ribs before.
Appointed by President Bill Clinton in 1993, Ginsburg is the second of four women to serve on the U.S. Supreme Court.
It's too early for any word on Justice Ginsburg's path to recovery just yet - but definitely makes ya think.
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At 85, Justice Ginsburg has made no plans to retire from her Supreme Court seat, which, if filled by a conservative, would dramatically alter the court's makeup for decades to come.
Even in her advancing years, Ginsburg has a widely publicized regular exercise routine, known as the "RBG workout", which includes push-ups, planks and arm curls.
"I pray for Ruth Bader Ginsberg every day", Democratic Senator Bob Menendez said Sunday.
Following the press release of Ginsburg's accident, Twitter users were quick to have their crushing reactions heard.
Recently, she's become a cultural icon among progressives, being featured in everything from clothing to books and movies - and commonly referred to by her initials, RBG.