Physicists have engineered photons that behave as if they inhabit a space far richer than the familiar three dimensions, ...

Light that twists as it travels and materials whose internal order is knotted like a pretzel are starting to collide in the ...

The use of atomic clocks could help bring cosmology and astrophysics "down to Earth" by allowing scientists to investigate the mysteries of dark energy and dark matter in the lab. When you purchase ...

Light-speed travel is a staple of science fiction in space. No "Star Wars" movie seems complete until the Millennium Falcon (or a rival ship) uses its hyperdrive. And many "Star Trek" fans enjoy ...