A team of physicists at the SLAC National Accelerator Laboratory, in Menlo Park, California, generated the highest-current, highest-peak-power electron beams ever produced. The team has published ...

A nearly century-old offshoot of Einstein’s general theory of relativity may hold promise for solving the mysteries of dark ...

For centuries, lenses have worked the same way: curved glass or plastic bending light to bring images into focus. But ...

Tachyons might sound like creatures ripped out of a George R. R. Martin novel, but the reality is that they refer to as-yet-non-existent particles not only capable of travelling faster than the speed ...