When atoms collide, their exact structure—for example, the number of electrons they have or even the quantum spin of their ...

Researchers at North Carolina State University have demonstrated a new technique that uses light to tune the optical ...

The gas giant WASP 121b, also known as Tylos, has an atmospheric structure unlike any we have ever seen, and the fastest ...

Atomic clocks are more accurate than those used to define the second, suggesting the definition might need to change ...