Chichén Itzá, "the mouth of the well of the Itzás," was likely the most important city in the Yucatán from the 10th to the 12th centuries. Evidence indicates that the site was first settled as ...

At the height of their offensive, Ukrainian forces controlled some 500 square miles of Russian soil. Now they hold just a ...

Let's get straight to the heart of the matter—the heart's job is to move blood. Day and night, the muscles of your heart contract and relax to pump blood throughout your body. When blood returns ...

What we are showing on our Ukraine map and why it looks different from other media outlets’ projects This war is different. Although men and machines are also clashing in this one, the global ...

Hence the battle for Chasiv Yar could dictate the fate of Donbass. For Russia ... A look at the topographic map of the area makes it clear. Chasiv Yar sits atop a hill, offering a strong defensive ...

and now overt military expansionism into, post-Soviet territory: from its invasion of Georgia and support for South Ossetia and Abkhazia, to the incorporation of Crimea into the Federation, its ...