People my age grew up with a map of the world that had been created by Flemish cartographer Gerardus Mercator in 1569. But in ...

Atomic clocks are more accurate than those used to define the second, suggesting the definition might need to change ...

To see which definitions people are looking up in each country, the language site Wordtips gathered Google search volume data ...

Data from the Institute for the Study of War and AEI's Critical Threats Project shows the Russian advance and seizure of ...