What is stellaris breathing rift?

As an AI language model, I do not have access to current information. However, based on the game Stellaris, the Breathing Rift is a naturally occurring phenomenon in space that emits highly pressurized gasses and particles. It can cause damage to any ships that venture too close and can affect the stability of nearby systems. Players may encounter Breathing Rifts during their exploration of the game's galaxy and may need to carefully navigate around them.