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

All-Star weekend is now fully underway in San Francisco. Saturday is the second night of on-court events, with the skills, dunk and 3-point contests. The All-Star Game — or tournament — is Sunday.

MASTERMIND is meant to be the toughest quiz on telly. But we have got hold of the application questions for the BBC show — which suggest you don’t have to be a complete brainbox to earn a seat in ...