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Regular improvements in so-called optical clocks are setting the stage for a redefinition of the second and powering searches for new laws of physics.

Catherine Meyers, Editor

Test of mining prowess of microbes lifted off yesterday. 

Brian Owens, Contributor

Researchers suggest that flexible blankets or domes made of silica aerogel could protect crops on the red planet.

Charles Q. Choi, Contributor

A different set of ingredients may be needed to take the next giant leap for humankind.

Ramin Skibba, Contributor

A month's worth of cool science stories summed up.

Alistair Jennings, Contributor

A month's worth of cool science stories summed up.

Alistair Jennings, Contributor

A month's worth of cool science stories summed up.

Alistair Jennings, Contributor

We may be vulnerable, researchers warn after demonstrating a cyberattack on a CT scanner, highlighting the need for better security.

Claire Cleveland, Contributor

A team of engineers spent years giving new life to old NASA tapes.

Catherine Meyers, Editor

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