The 82-year-old actress is undergoing tests.
Eighty-two year-old actress Nichelle Nichols -- known for playing Lt. Uhura on Star Trek -- has been hospitalized after suffering an apparent stroke in her Los Angeles home Wednesday night.
A rep for Nichelle confirmed the news to ET, saying, "She was at home. But regarding classification, we are waiting for doctors to determine test results before there is any official diagnosis/prognosis."
NEWS: 'Star Trek' Alums Mourn Loss of Leonard Nimoy
He adds that Nichelle is "resting comfortably and undergoing tests. We do not have a prognosis yet but everyone's prayers and well wishes are appreciated."
Nichelle's Star Trek co-star Leonard Nimoy passed in February of this year.
Following his death, Nichelle said in a statement, "I am deeply saddened by the death of my dear friend Leonard Nimoy. But, I also want to celebrate his extraordinary life. He was a true force of strength and his character was that of a champion. Leonard's integrity and passion as an actor and devotion to his craft helped transport Star Trek into television history. His vision and heart are bigger than the universe. I will miss him very much and send heartfelt wishes to his family."
Updates to follow.