The Euclid space telescope's massive “cosmic atlas” promises to shed light on fundamental questions in physics and cosmology ...

"They're so rare, and they're incredibly useful scientifically," said Conor O'Riordan of the Max Planck Institute for Astrophysics.

The Euclid telescope aims to map more than a third of the sky and observe billions of galaxies out to 10 billion light-years. Conor O'Riordan, an astrophysicist at the Max Planck Institute for ...