NASA’s Hubble Space Telescope Discovers a Cosmic Bullseye, Found to Be a Galaxy With Star-Filled Rings Astronomers observed a unique image of a galactic collision between galaxies which created a ...

Euclid space telescope sent some images back to Earth during an early testing phase. While reviewing the pictures, astronomer ...

The Einstein ring, formed as light from a distant galaxy bends to glow around another object in the foreground, could help ...

Hubble captured Westerlund 1, a massive young star cluster with 50,000+ stars. This study reveals stellar motion, structure, ...

Researchers say they've discovered the largest known object in the universe, a galactic superstructure called Quipu.

Quipu, Hercules, Serpens–Corona Borealis and Sculptor–Pegasus are all larger than the fifth and final superstructure ...

Astronomers have identified an unprecedented cosmic titan—a vast superstructure of galaxies stretching 1.3 billion light-years across, making it the single largest known structure in the universe.