The human race is at its closest point yet to destroying itself, according to a reset of the ominous but symbolic "Doomsday ...

Scientists moved the Doomsday Clock closer to midnight than ever. Here's what it means and why it matters in Alabama.

You'd think that synchronizing the clocks across a fleet of modern servers is a solved problem, but it's actually quite a hard challenge to solve, especially if you want to get to nanosecond accuracy.