What if time is not as fixed as we thought? Imagine that instead of flowing in one direction -- from past to future -- time could flow forward or backward due to processes taking place at the quantum ...

Re “Facing budget gap, San Diego Unified turns to retirements and reorganization — but doesn’t rule out layoffs” (Feb. 5): ...

Specifically, the AI was able to make progress on a complex problem called the Andrews–Curtis conjecture, which has stumped ...

How's your weekend? Have you read about the muscular neutrino? It's so great. This week, we also reported on male stick ...

Time in our lived reality is unidirectional, but a study finds quantum world can bend time and make it go in opposite ways.