Data from the Esa Euclid telescope enable precise analysis of an Einstein ring around the galaxy core of NGC 6505 and thus the surrounding dark ...

For a long time, scientists have believed that the universe looks the same no matter where you are or which direction you look. This idea, called the Cosmological Principle, is a key assumption in ...

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.