There's a new record holder for the most accurate clock in the world. Researchers at the National Institute of Standards and ...

The planet’s rotation fluctuates as it travels around the sun, and measurements suggest we’re losing more than a millisecond during the long days of summer.

When the moon is positioned farther from Earth's equator and closer to the poles, its pull on the planet becomes weaker. With ...

It's always great news when Arkansas or one of its many communities earns its way onto a list of "best ofs" or manages to ...