An experiment has visualized a prediction about objects traveling at the speed of light known as the Terrell-Penrose effect, first made over 60 years ago. When an object approaches the speed of light ...

A team of scientists have demonstrated how to “weigh” galaxy clusters using light from the earliest moments of the universe—a new method that could help shed light on dark matter, dark energy and ...

A team of scientists says they’ve found a specific kind of light wave that can pierce directly through objects, making it seem as though they were totally invisible. This new approach, however, is a ...