An official announcement from the Cricket Australia Twitter account confirmed the terrible news at 3.39pm on Thursday.
Hughes was just 25.
The news was announced by Cricket Australia in a statement from team doctor Peter Brukner:
"It is my sad duty to inform you that a short time ago Phillip Hughes passed away," the statement read.
"He never regained consciousness following his injury on Tuesday.
"He was not in pain before he passed and was surrounded by his family and close friends.
"As a cricket community we mourn his loss and extend our deepest sympathies to Phillip’s family and friends at this incredibly sad time.
"Cricket Australia kindly asks that the privacy of the Hughes family, players and staff be respected."