Our universe plays by certain rules, which originate from different branches of physics. But sometimes the rules seem ...

A jet of particles released by two colliding stars appears to be moving seven times faster than the speed of light — but astronomers blame a cosmic illusion known as superluminal motion. When you ...

Scientists have made discoveries about light particles known as photons that could aid the quest for fusion energy. Both literally and figuratively, light pervades the world. It banishes darkness, ...

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 ...