A magnifying glass contains a lens that’s made into a convex shape in order to better see small objects. Magnifying glasses have plenty of uses, from making it easier to read a book to examining ...

Astronomers have shown how gravitational lensing allows us to see the faintest and most distant galaxies, helping us to understand the origin of the Universe. The first gravitational lens, a ...

In a surprising discovery, astronomers have found a faraway galaxy that doubles as a cosmic "magnifying glass." At 9.6 billion light-years away, it could be the most distant such object known to ...