The structure is nearly 600 million light-years from Earth and is an early display of the nascent dark matter telescope's power.

The Euclid space telescope has, by chance, discovered its first Einstein ring, and it is absolutely stunning. Beyond its aesthetic appeal, this perfectly circular Einstein ring has allowed researchers ...

Albert Einstein himself thought that the eponymous Einstein ring would be impossible to observe, but the Euclid telescope has ...

Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

A newly discovered galaxy is challenging what scientists thought they knew about galactic collisions. Located 567 million ...