With a length of 428 megaparsecs, or around 1.39 billion light-years, the superstructure is the biggest ever spotted.

Scientists have found two unusual objects in deep space. One is so big it could fit 21 Jupiters inside but is neither a star nor a planet.

Space agencies have systems in place to spot, track, and forecast the future orbits of potentially hazardous asteroids.

But more recently, the car spawned a high-profile case of mistaken identity as space observers mistook it for an asteroid. Several observations of the vehicle, gathered by sweeping surveys of the ...