The Euclid space telescope mission, which is being led with Swiss participation, has discovered the two oldest quasars ever observed. They date back to a time when the universe was only around 670 million years old. The discovery provides valuable insights into the early history of the universe. Launched in 2023, the space telescope has discovered a total of 31 new quasars from the early universe, the European Space Agency (ESA) announced on Monday. Quasars are particularly bright centres of gal