During the early hours of Tuesday, SpaceX launched a GPS satellite for the Space Force. Miss the launch? See the FLORIDA ...

Live updates from the SpaceX GPS III-8 mission, which launched a GPS III satellite for the Space Force from Cape Canaveral ...

China has taken a significant step in high-precision timekeeping by mass-producing a fingernail-sized chip-scale atomic clock ...

In popular culture, lasers are often portrayed as portable blasters that superheat whatever they hit. Some lasers do deliver tremendous amounts of energy in reality, but for scientists and engineers, ...

Adelaide University researchers have successfully tested a new type of portable atomic clock at sea for the first time, using technology that could help power the next generation of navigation, ...

Scientists who track global threats to humanity have pushed the symbolic Doomsday Clock closer to catastrophe than at any point since it was created. The Bulletin of the Atomic Scientists announced on ...

President Trump told reporters Saturday he is reviewing a new 14-point peace proposal that was submitted by Iran.

For the first time, the state of an atomic nucleus was switched with a laser. For decades, physicists have been looking for such a nuclear transition -- now it has been found. This opens up a new ...

(THE CONVERSATION) Most clocks, from wristwatches to the systems that run GPS and the internet, work by tracking regular, repeating motions. To build a clock, you need something that ticks in a ...

The Doomsday Clock shows how close humanity is to self-destruction. It’s 85 seconds to midnight, closest ever. A trip to a ...