The question “What time is it on Mars?” is far more complicated than you might expect. That’s because the passing of time is affected by the strength of gravity, according to Einstein’s theory of ...

The most precise timekeepers ever made, atomic clocks, might one day help robotic and crewed missions on Mars stay in sync ...

It was 2:30 in the morning when astronautical engineer Todd Ely watched as a little atomic clock—the size of a four-slice toaster—was launched into space on a satellite attached to one of the most ...

In January of every year for the past 75 years the Bulletin of the Atomic Scientists publishes an updated setting of the Doomsday Clock. The clock is a metaphor for how close or far humanity is from ...

Plenty of clocks around us are useful for telling us the precise hour, minute, and second of the day. However, few can give us an intuitive sense of how far away we are from the enveloping cloak of ...

Although system timing creates no differentiation at the product level, as the world shifts from parallel to serial connections, timing requirements are becoming more critical than ever. A large ...

The Bulletin of the Atomic Scientists cited the threat of nuclear escalation in Ukraine, climate change and disruptive technologies as reasons to keep the clock at 90 seconds to midnight. When you ...