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For the first time in history, world timekeepers may have to consider subtracting a second from our clock because the planet is rotating faster.

Spin Cycle Climate change is causing so much polar ice melt that it's slowing down Earth's rotation and — here's the kicker — it will alter how we measure time in the future. That's the crazy (and yet logical) conclusion that Duncan Agnew, geophysicist and professor at University of California, San Diego, reached in his […]

For the first time in history, world timekeepers may have to consider subtracting a second from our clocks in a few years because the planet is rotating a tad faster. Wednesday's study in a scientific journal says that clocks may have to skip in a second — called a “negative leap second” — around 2029. Ice melting at both of Earth’s poles has been counteracting the planet's burst of speed and is likely to have delayed the global second of reckoning by about three years. It’s a complicated situation that involves, physics, global power politics, climate chang...

For the first time in history, world timekeepers may have to consider subtracting a second from our clocks in a few years because the planet is rotating a tad faster.

We're nearing a year when a negative leap second could be needed to shave time — an unprecedented step that would have unpredictable effects, a new study says.