Thailand and Cambodia exchanged heavy artillery fire for a second day on Friday as fighting intensified and spread, while ...

Chinese warships were tracked heading toward Russia's Far East as Moscow conducted a naval war game in the Pacific.

The Easter period usually offers a rare respite in Gedeb, in Ethiopia's deeply troubled north, but on April 17 death rained ...

Whatever it's been called - plumbago, black-cawke, wadd, black-lead - through century after century, graphite has been ...

Synthetic crystal can withstand hundreds of megawatts of laser power and produce far-reaching infrared beams capable of ...