A rogue, hyper-speed object — over 27,306 times the size of Earth — is hurtling so fast through our galaxy that it might break free of the Milky Way, according to NASA.

Scientists determined the mysterious object was cruising at a breakneck one million miles per hour when they spotted it more than 400 light years from Earth - one light-year is equal to six trillion miles.

While experts have not determined what the newfound celestial body is, they speculated it is a 'brown dwarf,' a star which is larger than a planet but lacks the mass to sustain long-term nuclear fusion in its core like Earth's sun.

If the object confirmed as a brown dwarf, it would be first-ever to be documented in a chaotic, hyper-speed orbit capable of breaking free from our home galaxy.