Utah researchers demonstrated the capabilities of their flat lens with test images of the sun and moon. Credit: Menon Lab, University of Utah Utah researchers demonstrated the capabilities of their ...

Gravitational lenses bend and focus light from the more distant cosmos, offering astronomers a cheat code for chronicling the history of the universe. Reading time 2 minutes The universe is a big ...

For centuries, lenses have worked the same way: curved glass or plastic bending light to bring images into focus. But traditional lenses have a major drawback—the more powerful they need to be, the ...

The explosion of the supernova Winny, observed roughly 10 billion light‑years from Earth, may provide new insights into the rate of the universe’s expansion. A gravitational lens is a cosmic ...