Alfredo (he/him) has a PhD in Astrophysics on galaxy evolution and a Master's in Quantum Fields and Fundamental Forces. The ...

Einstein ring spotted around galaxy a ‘mere’ 500 million light years away - The discovery can help scientists test Albert Einstein’s general theory of relativity.

A powerful space telescope has spotted an extremely rare "Einstein ring" of light around a nearby galaxy. The "beautiful" ...

When we observe a distant galaxy with our telescope, its light may encounter another galaxy on its way to us. The foreground galaxy acts like a magnifying lens, bending the travelling light rays due ...