Modern-age telescopes have offered us a tantalizing view of what lies in the vast expanse of space, while also giving us glimpses of the universe’s past. However, making telescopes that can peek deep ...

Sometimes, in order to support an idea, you first have to discredit alternative, competing ideas that could take resources away from the one you care about. In the scientific community, one of the ...

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 ...