A new study published in Nature Physicsreveals a significant breakthrough in quantum timekeeping, challenging a long-held ...

The Long Now Foundation is building the Millennium Clock, which is meant to last 10,000 years. It underscores, for we in the present, the need for long-term thinking.

The data is in for an atomic clock sent to space in 2019 and a JPL scientist explains what the Deep Space Atomic Clock means for the future of GPS and space travel.

Amazon founder Jeff Bezos is investing $42 million to build a 10,000-year clock inside a mountain in West Texas that's designed to be a wonder of engineering and a work of art.