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

Research suggests that this may be because the brain area responsible for the circadian clock shows weaker electrical activity as we age, sending muffled messages to the rest of the body.

It’s obvious that [Matthew] cares a great deal for vintage electric clocks. He is especially fond of the bedside alarm variety, which in our experience cast a warm orange glow on the numbers and ...

Clocks used to be dowdy old things with mechanical hands and sometimes even little cuckoo birds that would pop out to chime the hour. [David] built something altogether more modern that uses ...