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

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

Many objects that we normally deal with in quantum physics are only visible with special microscopes—individual molecules or ...

Tylos (or WASP-121b) is a gaseous, giant exoplanet located some 900 light-years away in the constellation Puppis. Using the ESPRESSO instrument on ESO’s Very Large Telescope (VLT), scientists have ...