What is the biggest object in the universe ?

Universe is infinite and there are much more bigger things that u planet and even our sun. Cosmologists everyday discover new and huge things in outer space. I wanted to ask which is the biggest thing that has ever found in the universe.
Universe is infinite and there are much more bigger things that u planet and even our sun. Cosmologists everyday discover new and huge things in outer space. I wanted to ask which is the biggest thing that has ever found in the universe.