The CMS collaboration compared high-transverse-momentum particle yields in oxygen–oxygen, neon–neon, xenon–xenon and lead–lead collisions.

Marine exploration often reveals unusual life forms that remain hidden beneath the ocean surface for years. In the past few ...

A horse’s whinny can sound like two calls at once. One part sits low and rough, like a familiar mammal voice. Another rides high, almost piercing, and it does not seem to fit a 500-kilogram animal.