A trapped cloud of ultracold atoms, colder than almost anything found in nature, has become the setting for a deceptively ...

A University of Birmingham scientist has built a "mini-universe" that takes a step toward answering one of science's biggest questions: "What is time?" Publishing his findings in Physical Review ...

Daily life is shaped by the solar day, influencing when we wake up, eat, work and sleep. Inside the body, a similar internal ...

The Doomsday Clock is a metaphor that represents how close humanity is to self-destruction, due to nuclear weapons and climate change. The clock hands are set by the Bulletin of the Atomic Scientists, ...