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

Astronomers have identified an unprecedented cosmic titan—a vast superstructure of galaxies stretching 1.3 billion ...

Eight years after the Iraqi city was left in ruins, Mosul’s rich multicultural heritage is slowly but surely beginning to flower again February 12, 2025 2:35 p.m. The team used computer models ...