With the amazing power of modern telescopes, our "best of" astronomy websites have abundant evidence of gravity bending light, acting like a lens. If the alignment of a background object with a ...

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

Well, we have developed a way to do just that. While studying how the gravity from a black hole bends light rays, we recently discovered that a primordial black hole would create a rippling ...

An Einstein ring is light from a much more distant galaxy that bends in such a way as to perfectly encircle a closer object.

The European Space Agency's Euclid space telescope was going through preliminary tests in September 2023 when it captured ...

The ring is made up of light from a galaxy 4.42 billion light-years away and what can be seen from Earth is distorted by ...