Ukrainian troops have launched an attack against a Russian border region with six US long-range missiles, Moscow has said. It ...

In terms of school type, charter schools are in session for 65 more hours each year than traditional public schools, on ...

On Nov. 18, 1883, Americans adopted four standardized time zones, replacing a confusing, dangerous hodgepodge of times.

Coordinated Lunar Time will help with precise space-travel calculations. But first, NASA has to figure out how to make it ...

The Kremlin is attempting to dictate the terms of any potential "peace" negotiations with Ukraine before Donald Trump's ...