The Doomsday Clock now stands at 89 seconds to midnight, the closest to catastrophe in its nearly eight-decade history.

Scientists and global leaders revealed on Tuesday that the "Doomsday Clock" has been reset to the closest humanity has ever ...

Let's use this knowledge to tell the time on the clocks below ... So instead of saying 50 minutes past 3 o’clock we say 10 to 4. Between these two times, the minute hand moves from 1 to 5 ...

The Doomsday Clock is now at 89 seconds to midnight. Sky News looks at the meaning behind it, what it is and how it works.

Let's use this knowledge to tell the time on the clocks below ... So instead of saying 50 minutes past 3 o’clock we say 10 to 4. Between these two times, the minute hand moves from 1 to 5 ...